Home / 82,365,424.70-113,660,487.70-45,194,800.91

Finding the Fourth Proportional to 82,365,424.70, 113,660,487.70 and 45,194,800.91

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Solution

The fourth proportional to 82,365,424.70, 113,660,487.70 and 45,194,800.91 is: 62,366,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,365,424.70 : 113,660,487.70 = 45,194,800.91 : x
  2. Step 2: Convert to fraction form
    82,365,424.70/113,660,487.70 = 45,194,800.91/x
  3. Step 3: Cross multiply
    82,365,424.70x = 113,660,487.70 × 45,194,800.91
  4. Step 4: Simplify right side
    82,365,424.70x = 5,136,863,112,253,715
  5. Step 5: Solve for x
    x = 5,136,863,112,253,715/82,365,424.70
  6. Step 6: Final answer
    x = 62,366,741.04

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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.