Home / 134,755,743.84-185,963,486.89-72,876,082.40

Finding the Fourth Proportional to 134,755,743.84, 185,963,486.89 and 72,876,082.40

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Solution

The fourth proportional to 134,755,743.84, 185,963,486.89 and 72,876,082.40 is: 100,569,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,743.84 : 185,963,486.89 = 72,876,082.40 : x
  2. Step 2: Convert to fraction form
    134,755,743.84/185,963,486.89 = 72,876,082.40/x
  3. Step 3: Cross multiply
    134,755,743.84x = 185,963,486.89 × 72,876,082.40
  4. Step 4: Simplify right side
    134,755,743.84x = 13,552,290,393,986,960
  5. Step 5: Solve for x
    x = 13,552,290,393,986,960/134,755,743.84
  6. Step 6: Final answer
    x = 100,569,296.77

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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.