Home / 48,059,708.15-66,321,038.31-28,213,154.72

Finding the Fourth Proportional to 48,059,708.15, 66,321,038.31 and 28,213,154.72

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Solution

The fourth proportional to 48,059,708.15, 66,321,038.31 and 28,213,154.72 is: 38,933,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,059,708.15 : 66,321,038.31 = 28,213,154.72 : x
  2. Step 2: Convert to fraction form
    48,059,708.15/66,321,038.31 = 28,213,154.72/x
  3. Step 3: Cross multiply
    48,059,708.15x = 66,321,038.31 × 28,213,154.72
  4. Step 4: Simplify right side
    48,059,708.15x = 1,871,125,715,031,077.25
  5. Step 5: Solve for x
    x = 1,871,125,715,031,077.25/48,059,708.15
  6. Step 6: Final answer
    x = 38,933,355.76

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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.