Home / 112,784,613.88-155,642,767.14-63,892,041.88

Finding the Fourth Proportional to 112,784,613.88, 155,642,767.14 and 63,892,041.88

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Solution

The fourth proportional to 112,784,613.88, 155,642,767.14 and 63,892,041.88 is: 88,171,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,784,613.88 : 155,642,767.14 = 63,892,041.88 : x
  2. Step 2: Convert to fraction form
    112,784,613.88/155,642,767.14 = 63,892,041.88/x
  3. Step 3: Cross multiply
    112,784,613.88x = 155,642,767.14 × 63,892,041.88
  4. Step 4: Simplify right side
    112,784,613.88x = 9,944,334,196,427,968
  5. Step 5: Solve for x
    x = 9,944,334,196,427,968/112,784,613.88
  6. Step 6: Final answer
    x = 88,171,017.79

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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.