Home / 127,568,777.08-191,197,708.11-66,124,060.73

Finding the Fourth Proportional to 127,568,777.08, 191,197,708.11 and 66,124,060.73

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Solution

The fourth proportional to 127,568,777.08, 191,197,708.11 and 66,124,060.73 is: 99,105,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,777.08 : 191,197,708.11 = 66,124,060.73 : x
  2. Step 2: Convert to fraction form
    127,568,777.08/191,197,708.11 = 66,124,060.73/x
  3. Step 3: Cross multiply
    127,568,777.08x = 191,197,708.11 × 66,124,060.73
  4. Step 4: Simplify right side
    127,568,777.08x = 12,642,768,862,502,454
  5. Step 5: Solve for x
    x = 12,642,768,862,502,454/127,568,777.08
  6. Step 6: Final answer
    x = 99,105,511.18

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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.