Home / 85,143,422.40-127,731,722.40-34,016,740.80

Finding the Fourth Proportional to 85,143,422.40, 127,731,722.40 and 34,016,740.80

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Solution

The fourth proportional to 85,143,422.40, 127,731,722.40 and 34,016,740.80 is: 51,031,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143,422.40 : 127,731,722.40 = 34,016,740.80 : x
  2. Step 2: Convert to fraction form
    85,143,422.40/127,731,722.40 = 34,016,740.80/x
  3. Step 3: Cross multiply
    85,143,422.40x = 127,731,722.40 × 34,016,740.80
  4. Step 4: Simplify right side
    85,143,422.40x = 4,345,016,892,818,353.50
  5. Step 5: Solve for x
    x = 4,345,016,892,818,353.50/85,143,422.40
  6. Step 6: Final answer
    x = 51,031,738.80

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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.