Home / 145,451,870.83-200,727,820.88-79,376,625.09

Finding the Fourth Proportional to 145,451,870.83, 200,727,820.88 and 79,376,625.09

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Solution

The fourth proportional to 145,451,870.83, 200,727,820.88 and 79,376,625.09 is: 109,542,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,870.83 : 200,727,820.88 = 79,376,625.09 : x
  2. Step 2: Convert to fraction form
    145,451,870.83/200,727,820.88 = 79,376,625.09/x
  3. Step 3: Cross multiply
    145,451,870.83x = 200,727,820.88 × 79,376,625.09
  4. Step 4: Simplify right side
    145,451,870.83x = 15,933,096,983,124,434
  5. Step 5: Solve for x
    x = 15,933,096,983,124,434/145,451,870.83
  6. Step 6: Final answer
    x = 109,542,056.02

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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.