Home / 124,525,064.40-186,535,654.20-86,229,819.60

Finding the Fourth Proportional to 124,525,064.40, 186,535,654.20 and 86,229,819.60

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Solution

The fourth proportional to 124,525,064.40, 186,535,654.20 and 86,229,819.60 is: 129,170,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,064.40 : 186,535,654.20 = 86,229,819.60 : x
  2. Step 2: Convert to fraction form
    124,525,064.40/186,535,654.20 = 86,229,819.60/x
  3. Step 3: Cross multiply
    124,525,064.40x = 186,535,654.20 × 86,229,819.60
  4. Step 4: Simplify right side
    124,525,064.40x = 16,084,935,810,633,980
  5. Step 5: Solve for x
    x = 16,084,935,810,633,980/124,525,064.40
  6. Step 6: Final answer
    x = 129,170,266.95

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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.