Home / 178,767,515.80-268,151,273.70-97,138,178.20

Finding the Fourth Proportional to 178,767,515.80, 268,151,273.70 and 97,138,178.20

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Solution

The fourth proportional to 178,767,515.80, 268,151,273.70 and 97,138,178.20 is: 145,707,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,767,515.80 : 268,151,273.70 = 97,138,178.20 : x
  2. Step 2: Convert to fraction form
    178,767,515.80/268,151,273.70 = 97,138,178.20/x
  3. Step 3: Cross multiply
    178,767,515.80x = 268,151,273.70 × 97,138,178.20
  4. Step 4: Simplify right side
    178,767,515.80x = 26,047,726,209,227,572
  5. Step 5: Solve for x
    x = 26,047,726,209,227,572/178,767,515.80
  6. Step 6: Final answer
    x = 145,707,267.30

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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.