Home / 238,476,963.60-357,715,445.40-129,354,411.60

Finding the Fourth Proportional to 238,476,963.60, 357,715,445.40 and 129,354,411.60

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Solution

The fourth proportional to 238,476,963.60, 357,715,445.40 and 129,354,411.60 is: 194,031,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,476,963.60 : 357,715,445.40 = 129,354,411.60 : x
  2. Step 2: Convert to fraction form
    238,476,963.60/357,715,445.40 = 129,354,411.60/x
  3. Step 3: Cross multiply
    238,476,963.60x = 357,715,445.40 × 129,354,411.60
  4. Step 4: Simplify right side
    238,476,963.60x = 46,272,070,959,948,920
  5. Step 5: Solve for x
    x = 46,272,070,959,948,920/238,476,963.60
  6. Step 6: Final answer
    x = 194,031,617.40

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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.