Home / 124,524,906.40-186,535,417.20-86,229,661.60

Finding the Fourth Proportional to 124,524,906.40, 186,535,417.20 and 86,229,661.60

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Solution

The fourth proportional to 124,524,906.40, 186,535,417.20 and 86,229,661.60 is: 129,170,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524,906.40 : 186,535,417.20 = 86,229,661.60 : x
  2. Step 2: Convert to fraction form
    124,524,906.40/186,535,417.20 = 86,229,661.60/x
  3. Step 3: Cross multiply
    124,524,906.40x = 186,535,417.20 × 86,229,661.60
  4. Step 4: Simplify right side
    124,524,906.40x = 16,084,885,901,570,818
  5. Step 5: Solve for x
    x = 16,084,885,901,570,818/124,524,906.40
  6. Step 6: Final answer
    x = 129,170,030.05

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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.