Home / 128,000,066.25-192,024,317.85-40,583,600.85

Finding the Fourth Proportional to 128,000,066.25, 192,024,317.85 and 40,583,600.85

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Solution

The fourth proportional to 128,000,066.25, 192,024,317.85 and 40,583,600.85 is: 60,883,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,000,066.25 : 192,024,317.85 = 40,583,600.85 : x
  2. Step 2: Convert to fraction form
    128,000,066.25/192,024,317.85 = 40,583,600.85/x
  3. Step 3: Cross multiply
    128,000,066.25x = 192,024,317.85 × 40,583,600.85
  4. Step 4: Simplify right side
    128,000,066.25x = 7,793,038,269,117,930
  5. Step 5: Solve for x
    x = 7,793,038,269,117,930/128,000,066.25
  6. Step 6: Final answer
    x = 60,883,079.97

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1.5x scale

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.