Home / 90,641,094.54-135,864,828.17-51,695,698.38

Finding the Fourth Proportional to 90,641,094.54, 135,864,828.17 and 51,695,698.38

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Solution

The fourth proportional to 90,641,094.54, 135,864,828.17 and 51,695,698.38 is: 77,488,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641,094.54 : 135,864,828.17 = 51,695,698.38 : x
  2. Step 2: Convert to fraction form
    90,641,094.54/135,864,828.17 = 51,695,698.38/x
  3. Step 3: Cross multiply
    90,641,094.54x = 135,864,828.17 × 51,695,698.38
  4. Step 4: Simplify right side
    90,641,094.54x = 7,023,627,176,952,734
  5. Step 5: Solve for x
    x = 7,023,627,176,952,734/90,641,094.54
  6. Step 6: Final answer
    x = 77,488,331.46

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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.