Home / 66,729,008.40-99,967,541.40-34,270,429.20

Finding the Fourth Proportional to 66,729,008.40, 99,967,541.40 and 34,270,429.20

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Solution

The fourth proportional to 66,729,008.40, 99,967,541.40 and 34,270,429.20 is: 51,340,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,729,008.40 : 99,967,541.40 = 34,270,429.20 : x
  2. Step 2: Convert to fraction form
    66,729,008.40/99,967,541.40 = 34,270,429.20/x
  3. Step 3: Cross multiply
    66,729,008.40x = 99,967,541.40 × 34,270,429.20
  4. Step 4: Simplify right side
    66,729,008.40x = 3,425,930,549,846,769.50
  5. Step 5: Solve for x
    x = 3,425,930,549,846,769.50/66,729,008.40
  6. Step 6: Final answer
    x = 51,340,947.99

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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.