Home / 42,532,979.80-63,799,469.70-40,293,491.80

Finding the Fourth Proportional to 42,532,979.80, 63,799,469.70 and 40,293,491.80

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Solution

The fourth proportional to 42,532,979.80, 63,799,469.70 and 40,293,491.80 is: 60,440,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532,979.80 : 63,799,469.70 = 40,293,491.80 : x
  2. Step 2: Convert to fraction form
    42,532,979.80/63,799,469.70 = 40,293,491.80/x
  3. Step 3: Cross multiply
    42,532,979.80x = 63,799,469.70 × 40,293,491.80
  4. Step 4: Simplify right side
    42,532,979.80x = 2,570,703,409,201,298.50
  5. Step 5: Solve for x
    x = 2,570,703,409,201,298.50/42,532,979.80
  6. Step 6: Final answer
    x = 60,440,237.70

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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.