Home / 48,408,045.30-72,612,067.95-18,111,971.70

Finding the Fourth Proportional to 48,408,045.30, 72,612,067.95 and 18,111,971.70

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Solution

The fourth proportional to 48,408,045.30, 72,612,067.95 and 18,111,971.70 is: 27,167,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408,045.30 : 72,612,067.95 = 18,111,971.70 : x
  2. Step 2: Convert to fraction form
    48,408,045.30/72,612,067.95 = 18,111,971.70/x
  3. Step 3: Cross multiply
    48,408,045.30x = 72,612,067.95 × 18,111,971.70
  4. Step 4: Simplify right side
    48,408,045.30x = 1,315,147,719,788,877
  5. Step 5: Solve for x
    x = 1,315,147,719,788,877/48,408,045.30
  6. Step 6: Final answer
    x = 27,167,957.55

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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.