Home / 90,641,096.41-135,864,830.98-51,695,700.25

Finding the Fourth Proportional to 90,641,096.41, 135,864,830.98 and 51,695,700.25

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Solution

The fourth proportional to 90,641,096.41, 135,864,830.98 and 51,695,700.25 is: 77,488,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641,096.41 : 135,864,830.98 = 51,695,700.25 : x
  2. Step 2: Convert to fraction form
    90,641,096.41/135,864,830.98 = 51,695,700.25/x
  3. Step 3: Cross multiply
    90,641,096.41x = 135,864,830.98 × 51,695,700.25
  4. Step 4: Simplify right side
    90,641,096.41x = 7,023,627,576,858,993
  5. Step 5: Solve for x
    x = 7,023,627,576,858,993/90,641,096.41
  6. Step 6: Final answer
    x = 77,488,334.27

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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.