Home / 51,447,868.61-70,899,940.03-50,502,235.78

Finding the Fourth Proportional to 51,447,868.61, 70,899,940.03 and 50,502,235.78

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Solution

The fourth proportional to 51,447,868.61, 70,899,940.03 and 50,502,235.78 is: 69,596,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447,868.61 : 70,899,940.03 = 50,502,235.78 : x
  2. Step 2: Convert to fraction form
    51,447,868.61/70,899,940.03 = 50,502,235.78/x
  3. Step 3: Cross multiply
    51,447,868.61x = 70,899,940.03 × 50,502,235.78
  4. Step 4: Simplify right side
    51,447,868.61x = 3,580,605,488,317,882.50
  5. Step 5: Solve for x
    x = 3,580,605,488,317,882.50/51,447,868.61
  6. Step 6: Final answer
    x = 69,596,770.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.