Home / 91,346,354.17-126,057,832.44-49,530,343.50

Finding the Fourth Proportional to 91,346,354.17, 126,057,832.44 and 49,530,343.50

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Solution

The fourth proportional to 91,346,354.17, 126,057,832.44 and 49,530,343.50 is: 68,351,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346,354.17 : 126,057,832.44 = 49,530,343.50 : x
  2. Step 2: Convert to fraction form
    91,346,354.17/126,057,832.44 = 49,530,343.50/x
  3. Step 3: Cross multiply
    91,346,354.17x = 126,057,832.44 × 49,530,343.50
  4. Step 4: Simplify right side
    91,346,354.17x = 6,243,687,741,618,643
  5. Step 5: Solve for x
    x = 6,243,687,741,618,643/91,346,354.17
  6. Step 6: Final answer
    x = 68,351,800.12

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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.