Home / 179,791,179.60-269,686,769.40-77,754,507.60

Finding the Fourth Proportional to 179,791,179.60, 269,686,769.40 and 77,754,507.60

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Solution

The fourth proportional to 179,791,179.60, 269,686,769.40 and 77,754,507.60 is: 116,631,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791,179.60 : 269,686,769.40 = 77,754,507.60 : x
  2. Step 2: Convert to fraction form
    179,791,179.60/269,686,769.40 = 77,754,507.60/x
  3. Step 3: Cross multiply
    179,791,179.60x = 269,686,769.40 × 77,754,507.60
  4. Step 4: Simplify right side
    179,791,179.60x = 20,969,361,960,931,744
  5. Step 5: Solve for x
    x = 20,969,361,960,931,744/179,791,179.60
  6. Step 6: Final answer
    x = 116,631,761.40

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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.