Home / 66,432,343.70-99,648,515.55-49,426,231.70

Finding the Fourth Proportional to 66,432,343.70, 99,648,515.55 and 49,426,231.70

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Solution

The fourth proportional to 66,432,343.70, 99,648,515.55 and 49,426,231.70 is: 74,139,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,343.70 : 99,648,515.55 = 49,426,231.70 : x
  2. Step 2: Convert to fraction form
    66,432,343.70/99,648,515.55 = 49,426,231.70/x
  3. Step 3: Cross multiply
    66,432,343.70x = 99,648,515.55 × 49,426,231.70
  4. Step 4: Simplify right side
    66,432,343.70x = 4,925,250,618,135,353
  5. Step 5: Solve for x
    x = 4,925,250,618,135,353/66,432,343.70
  6. Step 6: Final answer
    x = 74,139,347.55

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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.