Home / 123,948,297.58-185,706,983.10-86,981,786.50

Finding the Fourth Proportional to 123,948,297.58, 185,706,983.10 and 86,981,786.50

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Solution

The fourth proportional to 123,948,297.58, 185,706,983.10 and 86,981,786.50 is: 130,321,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948,297.58 : 185,706,983.10 = 86,981,786.50 : x
  2. Step 2: Convert to fraction form
    123,948,297.58/185,706,983.10 = 86,981,786.50/x
  3. Step 3: Cross multiply
    123,948,297.58x = 185,706,983.10 × 86,981,786.50
  4. Step 4: Simplify right side
    123,948,297.58x = 16,153,125,155,563,308
  5. Step 5: Solve for x
    x = 16,153,125,155,563,308/123,948,297.58
  6. Step 6: Final answer
    x = 130,321,476.54

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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.