Home / 48,408,078.30-72,612,117.45-18,112,004.70

Finding the Fourth Proportional to 48,408,078.30, 72,612,117.45 and 18,112,004.70

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Solution

The fourth proportional to 48,408,078.30, 72,612,117.45 and 18,112,004.70 is: 27,168,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408,078.30 : 72,612,117.45 = 18,112,004.70 : x
  2. Step 2: Convert to fraction form
    48,408,078.30/72,612,117.45 = 18,112,004.70/x
  3. Step 3: Cross multiply
    48,408,078.30x = 72,612,117.45 × 18,112,004.70
  4. Step 4: Simplify right side
    48,408,078.30x = 1,315,151,012,531,352
  5. Step 5: Solve for x
    x = 1,315,151,012,531,352/48,408,078.30
  6. Step 6: Final answer
    x = 27,168,007.05

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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.