Home / 66,430,311.30-99,645,466.95-47,059,286.85

Finding the Fourth Proportional to 66,430,311.30, 99,645,466.95 and 47,059,286.85

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Solution

The fourth proportional to 66,430,311.30, 99,645,466.95 and 47,059,286.85 is: 70,588,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,311.30 : 99,645,466.95 = 47,059,286.85 : x
  2. Step 2: Convert to fraction form
    66,430,311.30/99,645,466.95 = 47,059,286.85/x
  3. Step 3: Cross multiply
    66,430,311.30x = 99,645,466.95 × 47,059,286.85
  4. Step 4: Simplify right side
    66,430,311.30x = 4,689,244,612,502,245
  5. Step 5: Solve for x
    x = 4,689,244,612,502,245/66,430,311.30
  6. Step 6: Final answer
    x = 70,588,930.28

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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.