Home / 51,127,002.40-76,653,178.80-20,819,264.80

Finding the Fourth Proportional to 51,127,002.40, 76,653,178.80 and 20,819,264.80

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Solution

The fourth proportional to 51,127,002.40, 76,653,178.80 and 20,819,264.80 is: 31,213,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127,002.40 : 76,653,178.80 = 20,819,264.80 : x
  2. Step 2: Convert to fraction form
    51,127,002.40/76,653,178.80 = 20,819,264.80/x
  3. Step 3: Cross multiply
    51,127,002.40x = 76,653,178.80 × 20,819,264.80
  4. Step 4: Simplify right side
    51,127,002.40x = 1,595,862,827,198,946.25
  5. Step 5: Solve for x
    x = 1,595,862,827,198,946.25/51,127,002.40
  6. Step 6: Final answer
    x = 31,213,698.29

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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.