Home / 82,715,564.40-124,078,012.20-25,209,711.60

Finding the Fourth Proportional to 82,715,564.40, 124,078,012.20 and 25,209,711.60

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Solution

The fourth proportional to 82,715,564.40, 124,078,012.20 and 25,209,711.60 is: 37,815,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,564.40 : 124,078,012.20 = 25,209,711.60 : x
  2. Step 2: Convert to fraction form
    82,715,564.40/124,078,012.20 = 25,209,711.60/x
  3. Step 3: Cross multiply
    82,715,564.40x = 124,078,012.20 × 25,209,711.60
  4. Step 4: Simplify right side
    82,715,564.40x = 3,127,970,903,463,282
  5. Step 5: Solve for x
    x = 3,127,970,903,463,282/82,715,564.40
  6. Step 6: Final answer
    x = 37,815,989.36

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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.