Home / 90,133,886.01-135,181,909.74-25,422,557.82

Finding the Fourth Proportional to 90,133,886.01, 135,181,909.74 and 25,422,557.82

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Solution

The fourth proportional to 90,133,886.01, 135,181,909.74 and 25,422,557.82 is: 38,128,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,133,886.01 : 135,181,909.74 = 25,422,557.82 : x
  2. Step 2: Convert to fraction form
    90,133,886.01/135,181,909.74 = 25,422,557.82/x
  3. Step 3: Cross multiply
    90,133,886.01x = 135,181,909.74 × 25,422,557.82
  4. Step 4: Simplify right side
    90,133,886.01x = 3,436,669,916,583,171.50
  5. Step 5: Solve for x
    x = 3,436,669,916,583,171.50/90,133,886.01
  6. Step 6: Final answer
    x = 38,128,500.49

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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.