Home / 48,588,306.81-66,694,949.22-42,958,353.71

Finding the Fourth Proportional to 48,588,306.81, 66,694,949.22 and 42,958,353.71

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Solution

The fourth proportional to 48,588,306.81, 66,694,949.22 and 42,958,353.71 is: 58,966,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,588,306.81 : 66,694,949.22 = 42,958,353.71 : x
  2. Step 2: Convert to fraction form
    48,588,306.81/66,694,949.22 = 42,958,353.71/x
  3. Step 3: Cross multiply
    48,588,306.81x = 66,694,949.22 × 42,958,353.71
  4. Step 4: Simplify right side
    48,588,306.81x = 2,865,105,219,349,439
  5. Step 5: Solve for x
    x = 2,865,105,219,349,439/48,588,306.81
  6. Step 6: Final answer
    x = 58,966,969.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.