Home / 165,514,347,114.90-248,271,520,672.35-81,831,521,490.90

Finding the Fourth Proportional to 165,514,347,114.90, 248,271,520,672.35 and 81,831,521,490.90

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Solution

The fourth proportional to 165,514,347,114.90, 248,271,520,672.35 and 81,831,521,490.90 is: 122,747,282,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,514,347,114.90 : 248,271,520,672.35 = 81,831,521,490.90 : x
  2. Step 2: Convert to fraction form
    165,514,347,114.90/248,271,520,672.35 = 81,831,521,490.90/x
  3. Step 3: Cross multiply
    165,514,347,114.90x = 248,271,520,672.35 × 81,831,521,490.90
  4. Step 4: Simplify right side
    165,514,347,114.90x = 20,316,436,279,477,833,564,160
  5. Step 5: Solve for x
    x = 20,316,436,279,477,833,564,160/165,514,347,114.90
  6. Step 6: Final answer
    x = 122,747,282,236.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.