Home / 67,157,484.40-100,686,460.20-45,538,130.80

Finding the Fourth Proportional to 67,157,484.40, 100,686,460.20 and 45,538,130.80

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Solution

The fourth proportional to 67,157,484.40, 100,686,460.20 and 45,538,130.80 is: 68,273,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,484.40 : 100,686,460.20 = 45,538,130.80 : x
  2. Step 2: Convert to fraction form
    67,157,484.40/100,686,460.20 = 45,538,130.80/x
  3. Step 3: Cross multiply
    67,157,484.40x = 100,686,460.20 × 45,538,130.80
  4. Step 4: Simplify right side
    67,157,484.40x = 4,585,073,194,376,594
  5. Step 5: Solve for x
    x = 4,585,073,194,376,594/67,157,484.40
  6. Step 6: Final answer
    x = 68,273,450.61

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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.