Home / 127,521,985.09-191,083,687.24-88,736,216.87

Finding the Fourth Proportional to 127,521,985.09, 191,083,687.24 and 88,736,216.87

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Solution

The fourth proportional to 127,521,985.09, 191,083,687.24 and 88,736,216.87 is: 132,965,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,521,985.09 : 191,083,687.24 = 88,736,216.87 : x
  2. Step 2: Convert to fraction form
    127,521,985.09/191,083,687.24 = 88,736,216.87/x
  3. Step 3: Cross multiply
    127,521,985.09x = 191,083,687.24 × 88,736,216.87
  4. Step 4: Simplify right side
    127,521,985.09x = 16,956,043,511,247,894
  5. Step 5: Solve for x
    x = 16,956,043,511,247,894/127,521,985.09
  6. Step 6: Final answer
    x = 132,965,649.02

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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.