Home / 82,758,711.80-124,138,067.70-73,671,070.70

Finding the Fourth Proportional to 82,758,711.80, 124,138,067.70 and 73,671,070.70

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Solution

The fourth proportional to 82,758,711.80, 124,138,067.70 and 73,671,070.70 is: 110,506,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,711.80 : 124,138,067.70 = 73,671,070.70 : x
  2. Step 2: Convert to fraction form
    82,758,711.80/124,138,067.70 = 73,671,070.70/x
  3. Step 3: Cross multiply
    82,758,711.80x = 124,138,067.70 × 73,671,070.70
  4. Step 4: Simplify right side
    82,758,711.80x = 9,145,384,362,088,086
  5. Step 5: Solve for x
    x = 9,145,384,362,088,086/82,758,711.80
  6. Step 6: Final answer
    x = 110,506,606.05

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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.