Home / 52,112,543.32-71,915,634.30-28,909,140.76

Finding the Fourth Proportional to 52,112,543.32, 71,915,634.30 and 28,909,140.76

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Solution

The fourth proportional to 52,112,543.32, 71,915,634.30 and 28,909,140.76 is: 39,894,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,543.32 : 71,915,634.30 = 28,909,140.76 : x
  2. Step 2: Convert to fraction form
    52,112,543.32/71,915,634.30 = 28,909,140.76/x
  3. Step 3: Cross multiply
    52,112,543.32x = 71,915,634.30 × 28,909,140.76
  4. Step 4: Simplify right side
    52,112,543.32x = 2,079,019,194,823,384
  5. Step 5: Solve for x
    x = 2,079,019,194,823,384/52,112,543.32
  6. Step 6: Final answer
    x = 39,894,794.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.