Home / 90,876,821,124.40-136,315,231,686.60-43,805,231,710.90

Finding the Fourth Proportional to 90,876,821,124.40, 136,315,231,686.60 and 43,805,231,710.90

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Solution

The fourth proportional to 90,876,821,124.40, 136,315,231,686.60 and 43,805,231,710.90 is: 65,707,847,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,821,124.40 : 136,315,231,686.60 = 43,805,231,710.90 : x
  2. Step 2: Convert to fraction form
    90,876,821,124.40/136,315,231,686.60 = 43,805,231,710.90/x
  3. Step 3: Cross multiply
    90,876,821,124.40x = 136,315,231,686.60 × 43,805,231,710.90
  4. Step 4: Simplify right side
    90,876,821,124.40x = 5,971,320,309,756,531,310,592
  5. Step 5: Solve for x
    x = 5,971,320,309,756,531,310,592/90,876,821,124.40
  6. Step 6: Final answer
    x = 65,707,847,566.35

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Double scale
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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.