Home / 187,198,127.43-258,331,500.47-103,566,856.58

Finding the Fourth Proportional to 187,198,127.43, 258,331,500.47 and 103,566,856.58

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Solution

The fourth proportional to 187,198,127.43, 258,331,500.47 and 103,566,856.58 is: 142,921,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,198,127.43 : 258,331,500.47 = 103,566,856.58 : x
  2. Step 2: Convert to fraction form
    187,198,127.43/258,331,500.47 = 103,566,856.58/x
  3. Step 3: Cross multiply
    187,198,127.43x = 258,331,500.47 × 103,566,856.58
  4. Step 4: Simplify right side
    187,198,127.43x = 26,754,581,459,272,692
  5. Step 5: Solve for x
    x = 26,754,581,459,272,692/187,198,127.43
  6. Step 6: Final answer
    x = 142,921,202.40

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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.