Home / 126,015,644.16-173,940,035.04-73,105,718.40

Finding the Fourth Proportional to 126,015,644.16, 173,940,035.04 and 73,105,718.40

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Solution

The fourth proportional to 126,015,644.16, 173,940,035.04 and 73,105,718.40 is: 100,908,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015,644.16 : 173,940,035.04 = 73,105,718.40 : x
  2. Step 2: Convert to fraction form
    126,015,644.16/173,940,035.04 = 73,105,718.40/x
  3. Step 3: Cross multiply
    126,015,644.16x = 173,940,035.04 × 73,105,718.40
  4. Step 4: Simplify right side
    126,015,644.16x = 12,716,011,220,120,374
  5. Step 5: Solve for x
    x = 12,716,011,220,120,374/126,015,644.16
  6. Step 6: Final answer
    x = 100,908,195.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.