Home / 42,390,072.90-63,585,109.35-15,460,229.70

Finding the Fourth Proportional to 42,390,072.90, 63,585,109.35 and 15,460,229.70

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Solution

The fourth proportional to 42,390,072.90, 63,585,109.35 and 15,460,229.70 is: 23,190,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,390,072.90 : 63,585,109.35 = 15,460,229.70 : x
  2. Step 2: Convert to fraction form
    42,390,072.90/63,585,109.35 = 15,460,229.70/x
  3. Step 3: Cross multiply
    42,390,072.90x = 63,585,109.35 × 15,460,229.70
  4. Step 4: Simplify right side
    42,390,072.90x = 983,040,396,050,617.62
  5. Step 5: Solve for x
    x = 983,040,396,050,617.62/42,390,072.90
  6. Step 6: Final answer
    x = 23,190,344.55

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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.