Home / 124,513,436.59-187,053,590.08-90,076,059.79

Finding the Fourth Proportional to 124,513,436.59, 187,053,590.08 and 90,076,059.79

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Solution

The fourth proportional to 124,513,436.59, 187,053,590.08 and 90,076,059.79 is: 135,319,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,513,436.59 : 187,053,590.08 = 90,076,059.79 : x
  2. Step 2: Convert to fraction form
    124,513,436.59/187,053,590.08 = 90,076,059.79/x
  3. Step 3: Cross multiply
    124,513,436.59x = 187,053,590.08 × 90,076,059.79
  4. Step 4: Simplify right side
    124,513,436.59x = 16,849,050,363,625,192
  5. Step 5: Solve for x
    x = 16,849,050,363,625,192/124,513,436.59
  6. Step 6: Final answer
    x = 135,319,133.62

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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.