Home / 66,292,928.20-99,271,430.70-52,856,000.20

Finding the Fourth Proportional to 66,292,928.20, 99,271,430.70 and 52,856,000.20

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Solution

The fourth proportional to 66,292,928.20, 99,271,430.70 and 52,856,000.20 is: 79,150,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,292,928.20 : 99,271,430.70 = 52,856,000.20 : x
  2. Step 2: Convert to fraction form
    66,292,928.20/99,271,430.70 = 52,856,000.20/x
  3. Step 3: Cross multiply
    66,292,928.20x = 99,271,430.70 × 52,856,000.20
  4. Step 4: Simplify right side
    66,292,928.20x = 5,247,090,760,933,487
  5. Step 5: Solve for x
    x = 5,247,090,760,933,487/66,292,928.20
  6. Step 6: Final answer
    x = 79,150,082.87

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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.