Home / 70,102,711.85-105,060,071.96-54,559,308.16

Finding the Fourth Proportional to 70,102,711.85, 105,060,071.96 and 54,559,308.16

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Solution

The fourth proportional to 70,102,711.85, 105,060,071.96 and 54,559,308.16 is: 81,765,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,711.85 : 105,060,071.96 = 54,559,308.16 : x
  2. Step 2: Convert to fraction form
    70,102,711.85/105,060,071.96 = 54,559,308.16/x
  3. Step 3: Cross multiply
    70,102,711.85x = 105,060,071.96 × 54,559,308.16
  4. Step 4: Simplify right side
    70,102,711.85x = 5,732,004,841,377,414
  5. Step 5: Solve for x
    x = 5,732,004,841,377,414/70,102,711.85
  6. Step 6: Final answer
    x = 81,765,807.49

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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.