Home / 66,435,270.30-99,652,905.45-30,603,462.30

Finding the Fourth Proportional to 66,435,270.30, 99,652,905.45 and 30,603,462.30

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Solution

The fourth proportional to 66,435,270.30, 99,652,905.45 and 30,603,462.30 is: 45,905,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,270.30 : 99,652,905.45 = 30,603,462.30 : x
  2. Step 2: Convert to fraction form
    66,435,270.30/99,652,905.45 = 30,603,462.30/x
  3. Step 3: Cross multiply
    66,435,270.30x = 99,652,905.45 × 30,603,462.30
  4. Step 4: Simplify right side
    66,435,270.30x = 3,049,723,935,024,539.50
  5. Step 5: Solve for x
    x = 3,049,723,935,024,539.50/66,435,270.30
  6. Step 6: Final answer
    x = 45,905,193.45

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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.