Home / 82,961,999.70-124,442,999.55-74,742,378.90

Finding the Fourth Proportional to 82,961,999.70, 124,442,999.55 and 74,742,378.90

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Solution

The fourth proportional to 82,961,999.70, 124,442,999.55 and 74,742,378.90 is: 112,113,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,961,999.70 : 124,442,999.55 = 74,742,378.90 : x
  2. Step 2: Convert to fraction form
    82,961,999.70/124,442,999.55 = 74,742,378.90/x
  3. Step 3: Cross multiply
    82,961,999.70x = 124,442,999.55 × 74,742,378.90
  4. Step 4: Simplify right side
    82,961,999.70x = 9,301,165,823,818,630
  5. Step 5: Solve for x
    x = 9,301,165,823,818,630/82,961,999.70
  6. Step 6: Final answer
    x = 112,113,568.35

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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.