Home / 66,807,472.92-100,080,748.50-31,742,685.06

Finding the Fourth Proportional to 66,807,472.92, 100,080,748.50 and 31,742,685.06

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Solution

The fourth proportional to 66,807,472.92, 100,080,748.50 and 31,742,685.06 is: 47,552,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807,472.92 : 100,080,748.50 = 31,742,685.06 : x
  2. Step 2: Convert to fraction form
    66,807,472.92/100,080,748.50 = 31,742,685.06/x
  3. Step 3: Cross multiply
    66,807,472.92x = 100,080,748.50 × 31,742,685.06
  4. Step 4: Simplify right side
    66,807,472.92x = 3,176,831,680,204,567.50
  5. Step 5: Solve for x
    x = 3,176,831,680,204,567.50/66,807,472.92
  6. Step 6: Final answer
    x = 47,552,040.83

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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.