Home / 150,366,930.18-207,549,610.74-90,818,767.62

Finding the Fourth Proportional to 150,366,930.18, 207,549,610.74 and 90,818,767.62

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Solution

The fourth proportional to 150,366,930.18, 207,549,610.74 and 90,818,767.62 is: 125,356,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,366,930.18 : 207,549,610.74 = 90,818,767.62 : x
  2. Step 2: Convert to fraction form
    150,366,930.18/207,549,610.74 = 90,818,767.62/x
  3. Step 3: Cross multiply
    150,366,930.18x = 207,549,610.74 × 90,818,767.62
  4. Step 4: Simplify right side
    150,366,930.18x = 18,849,399,867,417,520
  5. Step 5: Solve for x
    x = 18,849,399,867,417,520/150,366,930.18
  6. Step 6: Final answer
    x = 125,356,019.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.