Home / 134,755,743.34-185,963,486.20-72,876,081.90

Finding the Fourth Proportional to 134,755,743.34, 185,963,486.20 and 72,876,081.90

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Solution

The fourth proportional to 134,755,743.34, 185,963,486.20 and 72,876,081.90 is: 100,569,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,743.34 : 185,963,486.20 = 72,876,081.90 : x
  2. Step 2: Convert to fraction form
    134,755,743.34/185,963,486.20 = 72,876,081.90/x
  3. Step 3: Cross multiply
    134,755,743.34x = 185,963,486.20 × 72,876,081.90
  4. Step 4: Simplify right side
    134,755,743.34x = 13,552,290,250,720,720
  5. Step 5: Solve for x
    x = 13,552,290,250,720,720/134,755,743.34
  6. Step 6: Final answer
    x = 100,569,296.09

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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.