Home / 49,762,480.40-74,643,720.60-28,239,119.90

Finding the Fourth Proportional to 49,762,480.40, 74,643,720.60 and 28,239,119.90

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Solution

The fourth proportional to 49,762,480.40, 74,643,720.60 and 28,239,119.90 is: 42,358,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,480.40 : 74,643,720.60 = 28,239,119.90 : x
  2. Step 2: Convert to fraction form
    49,762,480.40/74,643,720.60 = 28,239,119.90/x
  3. Step 3: Cross multiply
    49,762,480.40x = 74,643,720.60 × 28,239,119.90
  4. Step 4: Simplify right side
    49,762,480.40x = 2,107,872,975,805,499.75
  5. Step 5: Solve for x
    x = 2,107,872,975,805,499.75/49,762,480.40
  6. Step 6: Final answer
    x = 42,358,679.85

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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.