Home / 126,547,777.44-174,633,620.88-71,543,650.72

Finding the Fourth Proportional to 126,547,777.44, 174,633,620.88 and 71,543,650.72

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Solution

The fourth proportional to 126,547,777.44, 174,633,620.88 and 71,543,650.72 is: 98,728,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,547,777.44 : 174,633,620.88 = 71,543,650.72 : x
  2. Step 2: Convert to fraction form
    126,547,777.44/174,633,620.88 = 71,543,650.72/x
  3. Step 3: Cross multiply
    126,547,777.44x = 174,633,620.88 × 71,543,650.72
  4. Step 4: Simplify right side
    126,547,777.44x = 12,493,926,776,207,618
  5. Step 5: Solve for x
    x = 12,493,926,776,207,618/126,547,777.44
  6. Step 6: Final answer
    x = 98,728,930.91

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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.