Home / 291,581,159.76-437,682,979.41-125,666,545.29

Finding the Fourth Proportional to 291,581,159.76, 437,682,979.41 and 125,666,545.29

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Solution

The fourth proportional to 291,581,159.76, 437,682,979.41 and 125,666,545.29 is: 188,633,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,581,159.76 : 437,682,979.41 = 125,666,545.29 : x
  2. Step 2: Convert to fraction form
    291,581,159.76/437,682,979.41 = 125,666,545.29/x
  3. Step 3: Cross multiply
    291,581,159.76x = 437,682,979.41 × 125,666,545.29
  4. Step 4: Simplify right side
    291,581,159.76x = 55,002,107,954,688,912
  5. Step 5: Solve for x
    x = 55,002,107,954,688,912/291,581,159.76
  6. Step 6: Final answer
    x = 188,633,957.01

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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.