Home / 112,784,617.88-155,642,772.66-63,892,045.88

Finding the Fourth Proportional to 112,784,617.88, 155,642,772.66 and 63,892,045.88

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Solution

The fourth proportional to 112,784,617.88, 155,642,772.66 and 63,892,045.88 is: 88,171,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,784,617.88 : 155,642,772.66 = 63,892,045.88 : x
  2. Step 2: Convert to fraction form
    112,784,617.88/155,642,772.66 = 63,892,045.88/x
  3. Step 3: Cross multiply
    112,784,617.88x = 155,642,772.66 × 63,892,045.88
  4. Step 4: Simplify right side
    112,784,617.88x = 9,944,335,171,683,130
  5. Step 5: Solve for x
    x = 9,944,335,171,683,130/112,784,617.88
  6. Step 6: Final answer
    x = 88,171,023.31

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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.