Home / 72,242,670.75-99,694,885.64-43,269,294.75

Finding the Fourth Proportional to 72,242,670.75, 99,694,885.64 and 43,269,294.75

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Solution

The fourth proportional to 72,242,670.75, 99,694,885.64 and 43,269,294.75 is: 59,711,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,242,670.75 : 99,694,885.64 = 43,269,294.75 : x
  2. Step 2: Convert to fraction form
    72,242,670.75/99,694,885.64 = 43,269,294.75/x
  3. Step 3: Cross multiply
    72,242,670.75x = 99,694,885.64 × 43,269,294.75
  4. Step 4: Simplify right side
    72,242,670.75x = 4,313,727,391,608,356
  5. Step 5: Solve for x
    x = 4,313,727,391,608,356/72,242,670.75
  6. Step 6: Final answer
    x = 59,711,626.76

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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.