Home / 72,244,473.66-99,699,591.58-42,469,661.28

Finding the Fourth Proportional to 72,244,473.66, 99,699,591.58 and 42,469,661.28

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Solution

The fourth proportional to 72,244,473.66, 99,699,591.58 and 42,469,661.28 is: 58,609,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244,473.66 : 99,699,591.58 = 42,469,661.28 : x
  2. Step 2: Convert to fraction form
    72,244,473.66/99,699,591.58 = 42,469,661.28/x
  3. Step 3: Cross multiply
    72,244,473.66x = 99,699,591.58 × 42,469,661.28
  4. Step 4: Simplify right side
    72,244,473.66x = 4,234,207,884,156,940
  5. Step 5: Solve for x
    x = 4,234,207,884,156,940/72,244,473.66
  6. Step 6: Final answer
    x = 58,609,436.40

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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.