Home / 82,962,004.70-124,443,007.05-74,742,383.90

Finding the Fourth Proportional to 82,962,004.70, 124,443,007.05 and 74,742,383.90

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Solution

The fourth proportional to 82,962,004.70, 124,443,007.05 and 74,742,383.90 is: 112,113,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962,004.70 : 124,443,007.05 = 74,742,383.90 : x
  2. Step 2: Convert to fraction form
    82,962,004.70/124,443,007.05 = 74,742,383.90/x
  3. Step 3: Cross multiply
    82,962,004.70x = 124,443,007.05 × 74,742,383.90
  4. Step 4: Simplify right side
    82,962,004.70x = 9,301,167,006,601,508
  5. Step 5: Solve for x
    x = 9,301,167,006,601,508/82,962,004.70
  6. Step 6: Final answer
    x = 112,113,575.85

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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.