Home / 144,014,542.17-198,740,562.83-77,935,022.92

Finding the Fourth Proportional to 144,014,542.17, 198,740,562.83 and 77,935,022.92

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Solution

The fourth proportional to 144,014,542.17, 198,740,562.83 and 77,935,022.92 is: 107,550,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,542.17 : 198,740,562.83 = 77,935,022.92 : x
  2. Step 2: Convert to fraction form
    144,014,542.17/198,740,562.83 = 77,935,022.92/x
  3. Step 3: Cross multiply
    144,014,542.17x = 198,740,562.83 × 77,935,022.92
  4. Step 4: Simplify right side
    144,014,542.17x = 15,488,850,318,403,224
  5. Step 5: Solve for x
    x = 15,488,850,318,403,224/144,014,542.17
  6. Step 6: Final answer
    x = 107,550,599.30

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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.