Home / 130,278,717.18-195,376,659.66-42,820,062.30

Finding the Fourth Proportional to 130,278,717.18, 195,376,659.66 and 42,820,062.30

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Solution

The fourth proportional to 130,278,717.18, 195,376,659.66 and 42,820,062.30 is: 64,216,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,717.18 : 195,376,659.66 = 42,820,062.30 : x
  2. Step 2: Convert to fraction form
    130,278,717.18/195,376,659.66 = 42,820,062.30/x
  3. Step 3: Cross multiply
    130,278,717.18x = 195,376,659.66 × 42,820,062.30
  4. Step 4: Simplify right side
    130,278,717.18x = 8,366,040,738,607,096
  5. Step 5: Solve for x
    x = 8,366,040,738,607,096/130,278,717.18
  6. Step 6: Final answer
    x = 64,216,480.79

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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.