Home / 112,356,123.30-168,282,242.55-92,200,731.30

Finding the Fourth Proportional to 112,356,123.30, 168,282,242.55 and 92,200,731.30

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Solution

The fourth proportional to 112,356,123.30, 168,282,242.55 and 92,200,731.30 is: 138,094,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356,123.30 : 168,282,242.55 = 92,200,731.30 : x
  2. Step 2: Convert to fraction form
    112,356,123.30/168,282,242.55 = 92,200,731.30/x
  3. Step 3: Cross multiply
    112,356,123.30x = 168,282,242.55 × 92,200,731.30
  4. Step 4: Simplify right side
    112,356,123.30x = 15,515,745,827,913,978
  5. Step 5: Solve for x
    x = 15,515,745,827,913,978/112,356,123.30
  6. Step 6: Final answer
    x = 138,094,350.11

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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.