Home / 121,479,659.70-182,219,489.55-112,126,298.10

Finding the Fourth Proportional to 121,479,659.70, 182,219,489.55 and 112,126,298.10

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Solution

The fourth proportional to 121,479,659.70, 182,219,489.55 and 112,126,298.10 is: 168,189,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,479,659.70 : 182,219,489.55 = 112,126,298.10 : x
  2. Step 2: Convert to fraction form
    121,479,659.70/182,219,489.55 = 112,126,298.10/x
  3. Step 3: Cross multiply
    121,479,659.70x = 182,219,489.55 × 112,126,298.10
  4. Step 4: Simplify right side
    121,479,659.70x = 20,431,596,804,913,136
  5. Step 5: Solve for x
    x = 20,431,596,804,913,136/121,479,659.70
  6. Step 6: Final answer
    x = 168,189,447.15

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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.