Home / 89,363,430.20-134,045,145.30-31,857,577.40

Finding the Fourth Proportional to 89,363,430.20, 134,045,145.30 and 31,857,577.40

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Solution

The fourth proportional to 89,363,430.20, 134,045,145.30 and 31,857,577.40 is: 47,786,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,363,430.20 : 134,045,145.30 = 31,857,577.40 : x
  2. Step 2: Convert to fraction form
    89,363,430.20/134,045,145.30 = 31,857,577.40/x
  3. Step 3: Cross multiply
    89,363,430.20x = 134,045,145.30 × 31,857,577.40
  4. Step 4: Simplify right side
    89,363,430.20x = 4,270,353,591,488,996
  5. Step 5: Solve for x
    x = 4,270,353,591,488,996/89,363,430.20
  6. Step 6: Final answer
    x = 47,786,366.10

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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.