Home / 82,962,002.70-124,443,004.05-74,742,381.90

Finding the Fourth Proportional to 82,962,002.70, 124,443,004.05 and 74,742,381.90

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Solution

The fourth proportional to 82,962,002.70, 124,443,004.05 and 74,742,381.90 is: 112,113,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962,002.70 : 124,443,004.05 = 74,742,381.90 : x
  2. Step 2: Convert to fraction form
    82,962,002.70/124,443,004.05 = 74,742,381.90/x
  3. Step 3: Cross multiply
    82,962,002.70x = 124,443,004.05 × 74,742,381.90
  4. Step 4: Simplify right side
    82,962,002.70x = 9,301,166,533,488,348
  5. Step 5: Solve for x
    x = 9,301,166,533,488,348/82,962,002.70
  6. Step 6: Final answer
    x = 112,113,572.85

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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.