Home / 66,424,604.10-99,318,041.55-49,205,915.70

Finding the Fourth Proportional to 66,424,604.10, 99,318,041.55 and 49,205,915.70

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Solution

The fourth proportional to 66,424,604.10, 99,318,041.55 and 49,205,915.70 is: 73,572,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,604.10 : 99,318,041.55 = 49,205,915.70 : x
  2. Step 2: Convert to fraction form
    66,424,604.10/99,318,041.55 = 49,205,915.70/x
  3. Step 3: Cross multiply
    66,424,604.10x = 99,318,041.55 × 49,205,915.70
  4. Step 4: Simplify right side
    66,424,604.10x = 4,887,035,179,998,397
  5. Step 5: Solve for x
    x = 4,887,035,179,998,397/66,424,604.10
  6. Step 6: Final answer
    x = 73,572,665.52

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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.