Home / 112,269,141.10-168,403,711.65-54,798,280.30

Finding the Fourth Proportional to 112,269,141.10, 168,403,711.65 and 54,798,280.30

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Solution

The fourth proportional to 112,269,141.10, 168,403,711.65 and 54,798,280.30 is: 82,197,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,141.10 : 168,403,711.65 = 54,798,280.30 : x
  2. Step 2: Convert to fraction form
    112,269,141.10/168,403,711.65 = 54,798,280.30/x
  3. Step 3: Cross multiply
    112,269,141.10x = 168,403,711.65 × 54,798,280.30
  4. Step 4: Simplify right side
    112,269,141.10x = 9,228,233,794,557,076
  5. Step 5: Solve for x
    x = 9,228,233,794,557,076/112,269,141.10
  6. Step 6: Final answer
    x = 82,197,420.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.