Home / 82,758,700.80-124,138,051.20-73,671,059.70

Finding the Fourth Proportional to 82,758,700.80, 124,138,051.20 and 73,671,059.70

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Solution

The fourth proportional to 82,758,700.80, 124,138,051.20 and 73,671,059.70 is: 110,506,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,700.80 : 124,138,051.20 = 73,671,059.70 : x
  2. Step 2: Convert to fraction form
    82,758,700.80/124,138,051.20 = 73,671,059.70/x
  3. Step 3: Cross multiply
    82,758,700.80x = 124,138,051.20 × 73,671,059.70
  4. Step 4: Simplify right side
    82,758,700.80x = 9,145,381,780,996,858
  5. Step 5: Solve for x
    x = 9,145,381,780,996,858/82,758,700.80
  6. Step 6: Final answer
    x = 110,506,589.55

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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.