Home / 123,588,037.70-185,382,056.55-71,861,113.70

Finding the Fourth Proportional to 123,588,037.70, 185,382,056.55 and 71,861,113.70

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Solution

The fourth proportional to 123,588,037.70, 185,382,056.55 and 71,861,113.70 is: 107,791,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,588,037.70 : 185,382,056.55 = 71,861,113.70 : x
  2. Step 2: Convert to fraction form
    123,588,037.70/185,382,056.55 = 71,861,113.70/x
  3. Step 3: Cross multiply
    123,588,037.70x = 185,382,056.55 × 71,861,113.70
  4. Step 4: Simplify right side
    123,588,037.70x = 13,321,761,043,679,382
  5. Step 5: Solve for x
    x = 13,321,761,043,679,382/123,588,037.70
  6. Step 6: Final answer
    x = 107,791,670.55

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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.