Home / 108,921,011.30-163,157,568.15-74,880,793.70

Finding the Fourth Proportional to 108,921,011.30, 163,157,568.15 and 74,880,793.70

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Solution

The fourth proportional to 108,921,011.30, 163,157,568.15 and 74,880,793.70 is: 112,167,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921,011.30 : 163,157,568.15 = 74,880,793.70 : x
  2. Step 2: Convert to fraction form
    108,921,011.30/163,157,568.15 = 74,880,793.70/x
  3. Step 3: Cross multiply
    108,921,011.30x = 163,157,568.15 × 74,880,793.70
  4. Step 4: Simplify right side
    108,921,011.30x = 12,217,368,201,233,842
  5. Step 5: Solve for x
    x = 12,217,368,201,233,842/108,921,011.30
  6. Step 6: Final answer
    x = 112,167,230.69

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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.