Home / 108,610,645-162,884,079.40-31,915,438.60

Finding the Fourth Proportional to 108,610,645, 162,884,079.40 and 31,915,438.60

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Solution

The fourth proportional to 108,610,645, 162,884,079.40 and 31,915,438.60 is: 47,863,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,610,645 : 162,884,079.40 = 31,915,438.60 : x
  2. Step 2: Convert to fraction form
    108,610,645/162,884,079.40 = 31,915,438.60/x
  3. Step 3: Cross multiply
    108,610,645x = 162,884,079.40 × 31,915,438.60
  4. Step 4: Simplify right side
    108,610,645x = 5,198,516,835,008,225
  5. Step 5: Solve for x
    x = 5,198,516,835,008,225/108,610,645
  6. Step 6: Final answer
    x = 47,863,787.52

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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.