Home / 107,839,315.20-161,758,972.80-47,373,139.20

Finding the Fourth Proportional to 107,839,315.20, 161,758,972.80 and 47,373,139.20

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Solution

The fourth proportional to 107,839,315.20, 161,758,972.80 and 47,373,139.20 is: 71,059,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,315.20 : 161,758,972.80 = 47,373,139.20 : x
  2. Step 2: Convert to fraction form
    107,839,315.20/161,758,972.80 = 47,373,139.20/x
  3. Step 3: Cross multiply
    107,839,315.20x = 161,758,972.80 × 47,373,139.20
  4. Step 4: Simplify right side
    107,839,315.20x = 7,663,030,335,303,415
  5. Step 5: Solve for x
    x = 7,663,030,335,303,415/107,839,315.20
  6. Step 6: Final answer
    x = 71,059,708.80

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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.