Home / 133,451,109.50-200,206,848.95-72,038,950.13

Finding the Fourth Proportional to 133,451,109.50, 200,206,848.95 and 72,038,950.13

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Solution

The fourth proportional to 133,451,109.50, 200,206,848.95 and 72,038,950.13 is: 108,074,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,451,109.50 : 200,206,848.95 = 72,038,950.13 : x
  2. Step 2: Convert to fraction form
    133,451,109.50/200,206,848.95 = 72,038,950.13/x
  3. Step 3: Cross multiply
    133,451,109.50x = 200,206,848.95 × 72,038,950.13
  4. Step 4: Simplify right side
    133,451,109.50x = 14,422,691,205,832,264
  5. Step 5: Solve for x
    x = 14,422,691,205,832,264/133,451,109.50
  6. Step 6: Final answer
    x = 108,074,719.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.