Home / 89,925,390.12-134,892,988.86-28,510,105.80

Finding the Fourth Proportional to 89,925,390.12, 134,892,988.86 and 28,510,105.80

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Solution

The fourth proportional to 89,925,390.12, 134,892,988.86 and 28,510,105.80 is: 42,766,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925,390.12 : 134,892,988.86 = 28,510,105.80 : x
  2. Step 2: Convert to fraction form
    89,925,390.12/134,892,988.86 = 28,510,105.80/x
  3. Step 3: Cross multiply
    89,925,390.12x = 134,892,988.86 × 28,510,105.80
  4. Step 4: Simplify right side
    89,925,390.12x = 3,845,813,384,076,822
  5. Step 5: Solve for x
    x = 3,845,813,384,076,822/89,925,390.12
  6. Step 6: Final answer
    x = 42,766,713.37

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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.