Home / 112,118,049.60-168,177,074.40-73,376,000.70

Finding the Fourth Proportional to 112,118,049.60, 168,177,074.40 and 73,376,000.70

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Solution

The fourth proportional to 112,118,049.60, 168,177,074.40 and 73,376,000.70 is: 110,064,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118,049.60 : 168,177,074.40 = 73,376,000.70 : x
  2. Step 2: Convert to fraction form
    112,118,049.60/168,177,074.40 = 73,376,000.70/x
  3. Step 3: Cross multiply
    112,118,049.60x = 168,177,074.40 × 73,376,000.70
  4. Step 4: Simplify right side
    112,118,049.60x = 12,340,161,128,898,354
  5. Step 5: Solve for x
    x = 12,340,161,128,898,354/112,118,049.60
  6. Step 6: Final answer
    x = 110,064,001.05

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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.