Home / 66,729,038.40-99,967,586.40-34,270,459.20

Finding the Fourth Proportional to 66,729,038.40, 99,967,586.40 and 34,270,459.20

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Solution

The fourth proportional to 66,729,038.40, 99,967,586.40 and 34,270,459.20 is: 51,340,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,729,038.40 : 99,967,586.40 = 34,270,459.20 : x
  2. Step 2: Convert to fraction form
    66,729,038.40/99,967,586.40 = 34,270,459.20/x
  3. Step 3: Cross multiply
    66,729,038.40x = 99,967,586.40 × 34,270,459.20
  4. Step 4: Simplify right side
    66,729,038.40x = 3,425,935,091,043,675.50
  5. Step 5: Solve for x
    x = 3,425,935,091,043,675.50/66,729,038.40
  6. Step 6: Final answer
    x = 51,340,992.96

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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.