Home / 332,640,345.60-498,960,518.40-138,487,233.60

Finding the Fourth Proportional to 332,640,345.60, 498,960,518.40 and 138,487,233.60

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Solution

The fourth proportional to 332,640,345.60, 498,960,518.40 and 138,487,233.60 is: 207,730,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,640,345.60 : 498,960,518.40 = 138,487,233.60 : x
  2. Step 2: Convert to fraction form
    332,640,345.60/498,960,518.40 = 138,487,233.60/x
  3. Step 3: Cross multiply
    332,640,345.60x = 498,960,518.40 × 138,487,233.60
  4. Step 4: Simplify right side
    332,640,345.60x = 69,099,661,868,837,888
  5. Step 5: Solve for x
    x = 69,099,661,868,837,888/332,640,345.60
  6. Step 6: Final answer
    x = 207,730,850.40

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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.