Home / 121,780,048.18-182,710,679.38-81,000,254.74

Finding the Fourth Proportional to 121,780,048.18, 182,710,679.38 and 81,000,254.74

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Solution

The fourth proportional to 121,780,048.18, 182,710,679.38 and 81,000,254.74 is: 121,527,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,780,048.18 : 182,710,679.38 = 81,000,254.74 : x
  2. Step 2: Convert to fraction form
    121,780,048.18/182,710,679.38 = 81,000,254.74/x
  3. Step 3: Cross multiply
    121,780,048.18x = 182,710,679.38 × 81,000,254.74
  4. Step 4: Simplify right side
    121,780,048.18x = 14,799,611,573,498,464
  5. Step 5: Solve for x
    x = 14,799,611,573,498,464/121,780,048.18
  6. Step 6: Final answer
    x = 121,527,391.35

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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.