Home / 87,178,281,620.94-120,306,024,032.22-47,080,257,145.74

Finding the Fourth Proportional to 87,178,281,620.94, 120,306,024,032.22 and 47,080,257,145.74

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Solution

The fourth proportional to 87,178,281,620.94, 120,306,024,032.22 and 47,080,257,145.74 is: 64,970,752,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,178,281,620.94 : 120,306,024,032.22 = 47,080,257,145.74 : x
  2. Step 2: Convert to fraction form
    87,178,281,620.94/120,306,024,032.22 = 47,080,257,145.74/x
  3. Step 3: Cross multiply
    87,178,281,620.94x = 120,306,024,032.22 × 47,080,257,145.74
  4. Step 4: Simplify right side
    87,178,281,620.94x = 5,664,038,547,618,493,628,416
  5. Step 5: Solve for x
    x = 5,664,038,547,618,493,628,416/87,178,281,620.94
  6. Step 6: Final answer
    x = 64,970,752,374.39

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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.