Home / 79,729,288.40-119,593,932.60-19,145,014.40

Finding the Fourth Proportional to 79,729,288.40, 119,593,932.60 and 19,145,014.40

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Solution

The fourth proportional to 79,729,288.40, 119,593,932.60 and 19,145,014.40 is: 28,717,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729,288.40 : 119,593,932.60 = 19,145,014.40 : x
  2. Step 2: Convert to fraction form
    79,729,288.40/119,593,932.60 = 19,145,014.40/x
  3. Step 3: Cross multiply
    79,729,288.40x = 119,593,932.60 × 19,145,014.40
  4. Step 4: Simplify right side
    79,729,288.40x = 2,289,627,561,779,629
  5. Step 5: Solve for x
    x = 2,289,627,561,779,629/79,729,288.40
  6. Step 6: Final answer
    x = 28,717,521.60

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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.