Home / 121,510,981.44-182,192,660.64-47,646,264.60

Finding the Fourth Proportional to 121,510,981.44, 182,192,660.64 and 47,646,264.60

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Solution

The fourth proportional to 121,510,981.44, 182,192,660.64 and 47,646,264.60 is: 71,440,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,510,981.44 : 182,192,660.64 = 47,646,264.60 : x
  2. Step 2: Convert to fraction form
    121,510,981.44/182,192,660.64 = 47,646,264.60/x
  3. Step 3: Cross multiply
    121,510,981.44x = 182,192,660.64 × 47,646,264.60
  4. Step 4: Simplify right side
    121,510,981.44x = 8,680,799,717,031,445
  5. Step 5: Solve for x
    x = 8,680,799,717,031,445/121,510,981.44
  6. Step 6: Final answer
    x = 71,440,454.30

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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.