Home / 87,100,641,200.13-120,182,928,531.69-48,518,600,934.71

Finding the Fourth Proportional to 87,100,641,200.13, 120,182,928,531.69 and 48,518,600,934.71

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Solution

The fourth proportional to 87,100,641,200.13, 120,182,928,531.69 and 48,518,600,934.71 is: 66,946,780,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,100,641,200.13 : 120,182,928,531.69 = 48,518,600,934.71 : x
  2. Step 2: Convert to fraction form
    87,100,641,200.13/120,182,928,531.69 = 48,518,600,934.71/x
  3. Step 3: Cross multiply
    87,100,641,200.13x = 120,182,928,531.69 × 48,518,600,934.71
  4. Step 4: Simplify right side
    87,100,641,200.13x = 5,831,107,548,593,839,407,104
  5. Step 5: Solve for x
    x = 5,831,107,548,593,839,407,104/87,100,641,200.13
  6. Step 6: Final answer
    x = 66,946,780,967.96

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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.