Home / 161,764,376.80-242,646,565.20-107,344,818.40

Finding the Fourth Proportional to 161,764,376.80, 242,646,565.20 and 107,344,818.40

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Solution

The fourth proportional to 161,764,376.80, 242,646,565.20 and 107,344,818.40 is: 161,017,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764,376.80 : 242,646,565.20 = 107,344,818.40 : x
  2. Step 2: Convert to fraction form
    161,764,376.80/242,646,565.20 = 107,344,818.40/x
  3. Step 3: Cross multiply
    161,764,376.80x = 242,646,565.20 × 107,344,818.40
  4. Step 4: Simplify right side
    161,764,376.80x = 26,046,851,476,777,760
  5. Step 5: Solve for x
    x = 26,046,851,476,777,760/161,764,376.80
  6. Step 6: Final answer
    x = 161,017,227.60

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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.