Home / 115,725,046.65-159,700,982.47-62,801,742.80

Finding the Fourth Proportional to 115,725,046.65, 159,700,982.47 and 62,801,742.80

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Solution

The fourth proportional to 115,725,046.65, 159,700,982.47 and 62,801,742.80 is: 86,666,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,725,046.65 : 159,700,982.47 = 62,801,742.80 : x
  2. Step 2: Convert to fraction form
    115,725,046.65/159,700,982.47 = 62,801,742.80/x
  3. Step 3: Cross multiply
    115,725,046.65x = 159,700,982.47 × 62,801,742.80
  4. Step 4: Simplify right side
    115,725,046.65x = 10,029,500,026,230,498
  5. Step 5: Solve for x
    x = 10,029,500,026,230,498/115,725,046.65
  6. Step 6: Final answer
    x = 86,666,631.96

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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.