Home / 48,152,099.52-72,211,353.12-21,211,058.88

Finding the Fourth Proportional to 48,152,099.52, 72,211,353.12 and 21,211,058.88

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Solution

The fourth proportional to 48,152,099.52, 72,211,353.12 and 21,211,058.88 is: 31,809,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,152,099.52 : 72,211,353.12 = 21,211,058.88 : x
  2. Step 2: Convert to fraction form
    48,152,099.52/72,211,353.12 = 21,211,058.88/x
  3. Step 3: Cross multiply
    48,152,099.52x = 72,211,353.12 × 21,211,058.88
  4. Step 4: Simplify right side
    48,152,099.52x = 1,531,679,262,832,791.75
  5. Step 5: Solve for x
    x = 1,531,679,262,832,791.75/48,152,099.52
  6. Step 6: Final answer
    x = 31,809,189.59

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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.