Home / 287,658,150.57-431,495,265.09-93,569,566.49

Finding the Fourth Proportional to 287,658,150.57, 431,495,265.09 and 93,569,566.49

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Solution

The fourth proportional to 287,658,150.57, 431,495,265.09 and 93,569,566.49 is: 140,356,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,658,150.57 : 431,495,265.09 = 93,569,566.49 : x
  2. Step 2: Convert to fraction form
    287,658,150.57/431,495,265.09 = 93,569,566.49/x
  3. Step 3: Cross multiply
    287,658,150.57x = 431,495,265.09 × 93,569,566.49
  4. Step 4: Simplify right side
    287,658,150.57x = 40,374,824,894,801,448
  5. Step 5: Solve for x
    x = 40,374,824,894,801,448/287,658,150.57
  6. Step 6: Final answer
    x = 140,356,964.73

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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.