Home / 124,524,267.40-186,534,458.70-86,229,022.60

Finding the Fourth Proportional to 124,524,267.40, 186,534,458.70 and 86,229,022.60

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Solution

The fourth proportional to 124,524,267.40, 186,534,458.70 and 86,229,022.60 is: 129,169,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524,267.40 : 186,534,458.70 = 86,229,022.60 : x
  2. Step 2: Convert to fraction form
    124,524,267.40/186,534,458.70 = 86,229,022.60/x
  3. Step 3: Cross multiply
    124,524,267.40x = 186,534,458.70 × 86,229,022.60
  4. Step 4: Simplify right side
    124,524,267.40x = 16,084,684,054,921,064
  5. Step 5: Solve for x
    x = 16,084,684,054,921,064/124,524,267.40
  6. Step 6: Final answer
    x = 129,169,071.95

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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.