Home / 115,087,406.70-172,347,674.85-54,432,273.90

Finding the Fourth Proportional to 115,087,406.70, 172,347,674.85 and 54,432,273.90

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Solution

The fourth proportional to 115,087,406.70, 172,347,674.85 and 54,432,273.90 is: 81,514,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,087,406.70 : 172,347,674.85 = 54,432,273.90 : x
  2. Step 2: Convert to fraction form
    115,087,406.70/172,347,674.85 = 54,432,273.90/x
  3. Step 3: Cross multiply
    115,087,406.70x = 172,347,674.85 × 54,432,273.90
  4. Step 4: Simplify right side
    115,087,406.70x = 9,381,275,843,463,340
  5. Step 5: Solve for x
    x = 9,381,275,843,463,340/115,087,406.70
  6. Step 6: Final answer
    x = 81,514,356.02

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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.