Home / 112,381,815.90-168,572,723.85-73,582,686.30

Finding the Fourth Proportional to 112,381,815.90, 168,572,723.85 and 73,582,686.30

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Solution

The fourth proportional to 112,381,815.90, 168,572,723.85 and 73,582,686.30 is: 110,374,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381,815.90 : 168,572,723.85 = 73,582,686.30 : x
  2. Step 2: Convert to fraction form
    112,381,815.90/168,572,723.85 = 73,582,686.30/x
  3. Step 3: Cross multiply
    112,381,815.90x = 168,572,723.85 × 73,582,686.30
  4. Step 4: Simplify right side
    112,381,815.90x = 12,404,033,857,791,078
  5. Step 5: Solve for x
    x = 12,404,033,857,791,078/112,381,815.90
  6. Step 6: Final answer
    x = 110,374,029.45

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Double scale
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Similar ratio
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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.