Home / 137,754,633.90-190,101,384.15-75,874,972.47

Finding the Fourth Proportional to 137,754,633.90, 190,101,384.15 and 75,874,972.47

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Solution

The fourth proportional to 137,754,633.90, 190,101,384.15 and 75,874,972.47 is: 104,707,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754,633.90 : 190,101,384.15 = 75,874,972.47 : x
  2. Step 2: Convert to fraction form
    137,754,633.90/190,101,384.15 = 75,874,972.47/x
  3. Step 3: Cross multiply
    137,754,633.90x = 190,101,384.15 × 75,874,972.47
  4. Step 4: Simplify right side
    137,754,633.90x = 14,423,937,288,890,144
  5. Step 5: Solve for x
    x = 14,423,937,288,890,144/137,754,633.90
  6. Step 6: Final answer
    x = 104,707,456.15

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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.