Home / 86,016,011.40-129,024,017.10-51,975,793.80

Finding the Fourth Proportional to 86,016,011.40, 129,024,017.10 and 51,975,793.80

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Solution

The fourth proportional to 86,016,011.40, 129,024,017.10 and 51,975,793.80 is: 77,963,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,011.40 : 129,024,017.10 = 51,975,793.80 : x
  2. Step 2: Convert to fraction form
    86,016,011.40/129,024,017.10 = 51,975,793.80/x
  3. Step 3: Cross multiply
    86,016,011.40x = 129,024,017.10 × 51,975,793.80
  4. Step 4: Simplify right side
    86,016,011.40x = 6,706,125,708,037,273
  5. Step 5: Solve for x
    x = 6,706,125,708,037,273/86,016,011.40
  6. Step 6: Final answer
    x = 77,963,690.70

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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.