Home / 155,052,491.10-232,359,516.89-85,995,718.96

Finding the Fourth Proportional to 155,052,491.10, 232,359,516.89 and 85,995,718.96

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Solution

The fourth proportional to 155,052,491.10, 232,359,516.89 and 85,995,718.96 is: 128,871,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,052,491.10 : 232,359,516.89 = 85,995,718.96 : x
  2. Step 2: Convert to fraction form
    155,052,491.10/232,359,516.89 = 85,995,718.96/x
  3. Step 3: Cross multiply
    155,052,491.10x = 232,359,516.89 × 85,995,718.96
  4. Step 4: Simplify right side
    155,052,491.10x = 19,981,923,712,153,812
  5. Step 5: Solve for x
    x = 19,981,923,712,153,812/155,052,491.10
  6. Step 6: Final answer
    x = 128,871,994.06

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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.