Home / 78,060,342.44-117,012,568.98-52,174,446.68

Finding the Fourth Proportional to 78,060,342.44, 117,012,568.98 and 52,174,446.68

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Solution

The fourth proportional to 78,060,342.44, 117,012,568.98 and 52,174,446.68 is: 78,209,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,060,342.44 : 117,012,568.98 = 52,174,446.68 : x
  2. Step 2: Convert to fraction form
    78,060,342.44/117,012,568.98 = 52,174,446.68/x
  3. Step 3: Cross multiply
    78,060,342.44x = 117,012,568.98 × 52,174,446.68
  4. Step 4: Simplify right side
    78,060,342.44x = 6,105,066,041,136,832
  5. Step 5: Solve for x
    x = 6,105,066,041,136,832/78,060,342.44
  6. Step 6: Final answer
    x = 78,209,572.88

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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.