Home / 66,434,140.70-99,651,211.05-49,215,452.30

Finding the Fourth Proportional to 66,434,140.70, 99,651,211.05 and 49,215,452.30

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Solution

The fourth proportional to 66,434,140.70, 99,651,211.05 and 49,215,452.30 is: 73,823,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,140.70 : 99,651,211.05 = 49,215,452.30 : x
  2. Step 2: Convert to fraction form
    66,434,140.70/99,651,211.05 = 49,215,452.30/x
  3. Step 3: Cross multiply
    66,434,140.70x = 99,651,211.05 × 49,215,452.30
  4. Step 4: Simplify right side
    66,434,140.70x = 4,904,379,424,068,507
  5. Step 5: Solve for x
    x = 4,904,379,424,068,507/66,434,140.70
  6. Step 6: Final answer
    x = 73,823,178.45

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Double scale
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Similar ratio
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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.