Home / 265,716,961.60-398,575,442.40-163,148,411.20

Finding the Fourth Proportional to 265,716,961.60, 398,575,442.40 and 163,148,411.20

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Solution

The fourth proportional to 265,716,961.60, 398,575,442.40 and 163,148,411.20 is: 244,722,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,961.60 : 398,575,442.40 = 163,148,411.20 : x
  2. Step 2: Convert to fraction form
    265,716,961.60/398,575,442.40 = 163,148,411.20/x
  3. Step 3: Cross multiply
    265,716,961.60x = 398,575,442.40 × 163,148,411.20
  4. Step 4: Simplify right side
    265,716,961.60x = 65,026,950,170,897,104
  5. Step 5: Solve for x
    x = 65,026,950,170,897,104/265,716,961.60
  6. Step 6: Final answer
    x = 244,722,616.80

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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.