Home / 48,408,052.30-72,612,078.45-18,111,978.70

Finding the Fourth Proportional to 48,408,052.30, 72,612,078.45 and 18,111,978.70

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Solution

The fourth proportional to 48,408,052.30, 72,612,078.45 and 18,111,978.70 is: 27,167,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408,052.30 : 72,612,078.45 = 18,111,978.70 : x
  2. Step 2: Convert to fraction form
    48,408,052.30/72,612,078.45 = 18,111,978.70/x
  3. Step 3: Cross multiply
    48,408,052.30x = 72,612,078.45 × 18,111,978.70
  4. Step 4: Simplify right side
    48,408,052.30x = 1,315,148,418,249,129
  5. Step 5: Solve for x
    x = 1,315,148,418,249,129/48,408,052.30
  6. Step 6: Final answer
    x = 27,167,968.05

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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.