Home / 48,944,871.18-67,538,627.28-28,314,462.78

Finding the Fourth Proportional to 48,944,871.18, 67,538,627.28 and 28,314,462.78

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Solution

The fourth proportional to 48,944,871.18, 67,538,627.28 and 28,314,462.78 is: 39,070,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,944,871.18 : 67,538,627.28 = 28,314,462.78 : x
  2. Step 2: Convert to fraction form
    48,944,871.18/67,538,627.28 = 28,314,462.78/x
  3. Step 3: Cross multiply
    48,944,871.18x = 67,538,627.28 × 28,314,462.78
  4. Step 4: Simplify right side
    48,944,871.18x = 1,912,319,948,331,852.75
  5. Step 5: Solve for x
    x = 1,912,319,948,331,852.75/48,944,871.18
  6. Step 6: Final answer
    x = 39,070,895.52

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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.