Home / 100,048,850.16-149,969,229.12-38,680,159.20

Finding the Fourth Proportional to 100,048,850.16, 149,969,229.12 and 38,680,159.20

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Solution

The fourth proportional to 100,048,850.16, 149,969,229.12 and 38,680,159.20 is: 57,980,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048,850.16 : 149,969,229.12 = 38,680,159.20 : x
  2. Step 2: Convert to fraction form
    100,048,850.16/149,969,229.12 = 38,680,159.20/x
  3. Step 3: Cross multiply
    100,048,850.16x = 149,969,229.12 × 38,680,159.20
  4. Step 4: Simplify right side
    100,048,850.16x = 5,800,833,657,462,877
  5. Step 5: Solve for x
    x = 5,800,833,657,462,877/100,048,850.16
  6. Step 6: Final answer
    x = 57,980,013.25

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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.