Home / 86,660,649.24-119,521,963.35-76,184,265.66

Finding the Fourth Proportional to 86,660,649.24, 119,521,963.35 and 76,184,265.66

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Solution

The fourth proportional to 86,660,649.24, 119,521,963.35 and 76,184,265.66 is: 105,072,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660,649.24 : 119,521,963.35 = 76,184,265.66 : x
  2. Step 2: Convert to fraction form
    86,660,649.24/119,521,963.35 = 76,184,265.66/x
  3. Step 3: Cross multiply
    86,660,649.24x = 119,521,963.35 × 76,184,265.66
  4. Step 4: Simplify right side
    86,660,649.24x = 9,105,693,008,061,182
  5. Step 5: Solve for x
    x = 9,105,693,008,061,182/86,660,649.24
  6. Step 6: Final answer
    x = 105,072,983.97

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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.