Home / 80,832,281.40-121,236,612.30-23,318,555.40

Finding the Fourth Proportional to 80,832,281.40, 121,236,612.30 and 23,318,555.40

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Solution

The fourth proportional to 80,832,281.40, 121,236,612.30 and 23,318,555.40 is: 34,974,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,832,281.40 : 121,236,612.30 = 23,318,555.40 : x
  2. Step 2: Convert to fraction form
    80,832,281.40/121,236,612.30 = 23,318,555.40/x
  3. Step 3: Cross multiply
    80,832,281.40x = 121,236,612.30 × 23,318,555.40
  4. Step 4: Simplify right side
    80,832,281.40x = 2,827,062,660,425,871
  5. Step 5: Solve for x
    x = 2,827,062,660,425,871/80,832,281.40
  6. Step 6: Final answer
    x = 34,974,426.20

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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.