Home / 134,755,742.09-185,963,484.47-72,876,080.65

Finding the Fourth Proportional to 134,755,742.09, 185,963,484.47 and 72,876,080.65

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Solution

The fourth proportional to 134,755,742.09, 185,963,484.47 and 72,876,080.65 is: 100,569,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,742.09 : 185,963,484.47 = 72,876,080.65 : x
  2. Step 2: Convert to fraction form
    134,755,742.09/185,963,484.47 = 72,876,080.65/x
  3. Step 3: Cross multiply
    134,755,742.09x = 185,963,484.47 × 72,876,080.65
  4. Step 4: Simplify right side
    134,755,742.09x = 13,552,289,892,119,700
  5. Step 5: Solve for x
    x = 13,552,289,892,119,700/134,755,742.09
  6. Step 6: Final answer
    x = 100,569,294.36

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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.