Home / 261,792,004.80-392,688,007.20-89,211,460.80

Finding the Fourth Proportional to 261,792,004.80, 392,688,007.20 and 89,211,460.80

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Solution

The fourth proportional to 261,792,004.80, 392,688,007.20 and 89,211,460.80 is: 133,817,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,792,004.80 : 392,688,007.20 = 89,211,460.80 : x
  2. Step 2: Convert to fraction form
    261,792,004.80/392,688,007.20 = 89,211,460.80/x
  3. Step 3: Cross multiply
    261,792,004.80x = 392,688,007.20 × 89,211,460.80
  4. Step 4: Simplify right side
    261,792,004.80x = 35,032,270,760,952,916
  5. Step 5: Solve for x
    x = 35,032,270,760,952,916/261,792,004.80
  6. Step 6: Final answer
    x = 133,817,191.20

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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.