Home / 99,050,046.12-136,682,402.58-54,994,768.20

Finding the Fourth Proportional to 99,050,046.12, 136,682,402.58 and 54,994,768.20

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Solution

The fourth proportional to 99,050,046.12, 136,682,402.58 and 54,994,768.20 is: 75,889,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050,046.12 : 136,682,402.58 = 54,994,768.20 : x
  2. Step 2: Convert to fraction form
    99,050,046.12/136,682,402.58 = 54,994,768.20/x
  3. Step 3: Cross multiply
    99,050,046.12x = 136,682,402.58 × 54,994,768.20
  4. Step 4: Simplify right side
    99,050,046.12x = 7,516,817,046,906,183
  5. Step 5: Solve for x
    x = 7,516,817,046,906,183/99,050,046.12
  6. Step 6: Final answer
    x = 75,889,081.75

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1.5x scale

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.