Home / 71,272,414.88-98,355,995.52-38,677,366.88

Finding the Fourth Proportional to 71,272,414.88, 98,355,995.52 and 38,677,366.88

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Solution

The fourth proportional to 71,272,414.88, 98,355,995.52 and 38,677,366.88 is: 53,374,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272,414.88 : 98,355,995.52 = 38,677,366.88 : x
  2. Step 2: Convert to fraction form
    71,272,414.88/98,355,995.52 = 38,677,366.88/x
  3. Step 3: Cross multiply
    71,272,414.88x = 98,355,995.52 × 38,677,366.88
  4. Step 4: Simplify right side
    71,272,414.88x = 3,804,150,923,574,676.50
  5. Step 5: Solve for x
    x = 3,804,150,923,574,676.50/71,272,414.88
  6. Step 6: Final answer
    x = 53,374,800.47

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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.