Home / 134,755,751.07-185,963,496.89-72,876,089.66

Finding the Fourth Proportional to 134,755,751.07, 185,963,496.89 and 72,876,089.66

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Solution

The fourth proportional to 134,755,751.07, 185,963,496.89 and 72,876,089.66 is: 100,569,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,751.07 : 185,963,496.89 = 72,876,089.66 : x
  2. Step 2: Convert to fraction form
    134,755,751.07/185,963,496.89 = 72,876,089.66/x
  3. Step 3: Cross multiply
    134,755,751.07x = 185,963,496.89 × 72,876,089.66
  4. Step 4: Simplify right side
    134,755,751.07x = 13,552,292,471,548,572
  5. Step 5: Solve for x
    x = 13,552,292,471,548,572/134,755,751.07
  6. Step 6: Final answer
    x = 100,569,306.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.