Home / 96,570,004.20-144,855,006.30-85,820,461.80

Finding the Fourth Proportional to 96,570,004.20, 144,855,006.30 and 85,820,461.80

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Solution

The fourth proportional to 96,570,004.20, 144,855,006.30 and 85,820,461.80 is: 128,730,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,570,004.20 : 144,855,006.30 = 85,820,461.80 : x
  2. Step 2: Convert to fraction form
    96,570,004.20/144,855,006.30 = 85,820,461.80/x
  3. Step 3: Cross multiply
    96,570,004.20x = 144,855,006.30 × 85,820,461.80
  4. Step 4: Simplify right side
    96,570,004.20x = 12,431,523,534,707,910
  5. Step 5: Solve for x
    x = 12,431,523,534,707,910/96,570,004.20
  6. Step 6: Final answer
    x = 128,730,692.70

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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.