Home / 124,898,580.91-187,455,488.16-86,586,999.22

Finding the Fourth Proportional to 124,898,580.91, 187,455,488.16 and 86,586,999.22

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Solution

The fourth proportional to 124,898,580.91, 187,455,488.16 and 86,586,999.22 is: 129,955,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,898,580.91 : 187,455,488.16 = 86,586,999.22 : x
  2. Step 2: Convert to fraction form
    124,898,580.91/187,455,488.16 = 86,586,999.22/x
  3. Step 3: Cross multiply
    124,898,580.91x = 187,455,488.16 × 86,586,999.22
  4. Step 4: Simplify right side
    124,898,580.91x = 16,231,208,207,653,658
  5. Step 5: Solve for x
    x = 16,231,208,207,653,658/124,898,580.91
  6. Step 6: Final answer
    x = 129,955,105.09

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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.