Home / 97,865,147.54-135,074,453.16-62,078,441.15

Finding the Fourth Proportional to 97,865,147.54, 135,074,453.16 and 62,078,441.15

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Solution

The fourth proportional to 97,865,147.54, 135,074,453.16 and 62,078,441.15 is: 85,681,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,865,147.54 : 135,074,453.16 = 62,078,441.15 : x
  2. Step 2: Convert to fraction form
    97,865,147.54/135,074,453.16 = 62,078,441.15/x
  3. Step 3: Cross multiply
    97,865,147.54x = 135,074,453.16 × 62,078,441.15
  4. Step 4: Simplify right side
    97,865,147.54x = 8,385,211,490,375,728
  5. Step 5: Solve for x
    x = 8,385,211,490,375,728/97,865,147.54
  6. Step 6: Final answer
    x = 85,681,283.91

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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.