Home / 83,417,242.80-125,125,864.20-80,016,020.40

Finding the Fourth Proportional to 83,417,242.80, 125,125,864.20 and 80,016,020.40

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Solution

The fourth proportional to 83,417,242.80, 125,125,864.20 and 80,016,020.40 is: 120,024,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417,242.80 : 125,125,864.20 = 80,016,020.40 : x
  2. Step 2: Convert to fraction form
    83,417,242.80/125,125,864.20 = 80,016,020.40/x
  3. Step 3: Cross multiply
    83,417,242.80x = 125,125,864.20 × 80,016,020.40
  4. Step 4: Simplify right side
    83,417,242.80x = 10,012,073,702,394,830
  5. Step 5: Solve for x
    x = 10,012,073,702,394,830/83,417,242.80
  6. Step 6: Final answer
    x = 120,024,030.60

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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.