Home / 147,618,909.40-221,427,197.70-38,443,869.40

Finding the Fourth Proportional to 147,618,909.40, 221,427,197.70 and 38,443,869.40

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Solution

The fourth proportional to 147,618,909.40, 221,427,197.70 and 38,443,869.40 is: 57,665,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618,909.40 : 221,427,197.70 = 38,443,869.40 : x
  2. Step 2: Convert to fraction form
    147,618,909.40/221,427,197.70 = 38,443,869.40/x
  3. Step 3: Cross multiply
    147,618,909.40x = 221,427,197.70 × 38,443,869.40
  4. Step 4: Simplify right side
    147,618,909.40x = 8,512,518,269,986,780
  5. Step 5: Solve for x
    x = 8,512,518,269,986,780/147,618,909.40
  6. Step 6: Final answer
    x = 57,665,500.34

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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.