Home / 80,617,920,977.60-111,255,403,003.46-43,998,041,432.82

Finding the Fourth Proportional to 80,617,920,977.60, 111,255,403,003.46 and 43,998,041,432.82

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Solution

The fourth proportional to 80,617,920,977.60, 111,255,403,003.46 and 43,998,041,432.82 is: 60,718,755,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617,920,977.60 : 111,255,403,003.46 = 43,998,041,432.82 : x
  2. Step 2: Convert to fraction form
    80,617,920,977.60/111,255,403,003.46 = 43,998,041,432.82/x
  3. Step 3: Cross multiply
    80,617,920,977.60x = 111,255,403,003.46 × 43,998,041,432.82
  4. Step 4: Simplify right side
    80,617,920,977.60x = 4,895,019,830,971,319,975,936
  5. Step 5: Solve for x
    x = 4,895,019,830,971,319,975,936/80,617,920,977.60
  6. Step 6: Final answer
    x = 60,718,755,477.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.