Home / 165,514,347,106.40-248,271,520,659.60-81,831,521,482.40

Finding the Fourth Proportional to 165,514,347,106.40, 248,271,520,659.60 and 81,831,521,482.40

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Solution

The fourth proportional to 165,514,347,106.40, 248,271,520,659.60 and 81,831,521,482.40 is: 122,747,282,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,514,347,106.40 : 248,271,520,659.60 = 81,831,521,482.40 : x
  2. Step 2: Convert to fraction form
    165,514,347,106.40/248,271,520,659.60 = 81,831,521,482.40/x
  3. Step 3: Cross multiply
    165,514,347,106.40x = 248,271,520,659.60 × 81,831,521,482.40
  4. Step 4: Simplify right side
    165,514,347,106.40x = 20,316,436,276,324,169,940,992
  5. Step 5: Solve for x
    x = 20,316,436,276,324,169,940,992/165,514,347,106.40
  6. Step 6: Final answer
    x = 122,747,282,223.60

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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.