Home / 75,251,542.08-112,865,220.96-20,651,373.12

Finding the Fourth Proportional to 75,251,542.08, 112,865,220.96 and 20,651,373.12

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Solution

The fourth proportional to 75,251,542.08, 112,865,220.96 and 20,651,373.12 is: 30,973,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,251,542.08 : 112,865,220.96 = 20,651,373.12 : x
  2. Step 2: Convert to fraction form
    75,251,542.08/112,865,220.96 = 20,651,373.12/x
  3. Step 3: Cross multiply
    75,251,542.08x = 112,865,220.96 × 20,651,373.12
  4. Step 4: Simplify right side
    75,251,542.08x = 2,330,821,790,316,204.50
  5. Step 5: Solve for x
    x = 2,330,821,790,316,204.50/75,251,542.08
  6. Step 6: Final answer
    x = 30,973,741.21

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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.