Home / 90,335,827.64-135,427,568.34-39,179,316.92

Finding the Fourth Proportional to 90,335,827.64, 135,427,568.34 and 39,179,316.92

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Solution

The fourth proportional to 90,335,827.64, 135,427,568.34 and 39,179,316.92 is: 58,735,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,335,827.64 : 135,427,568.34 = 39,179,316.92 : x
  2. Step 2: Convert to fraction form
    90,335,827.64/135,427,568.34 = 39,179,316.92/x
  3. Step 3: Cross multiply
    90,335,827.64x = 135,427,568.34 × 39,179,316.92
  4. Step 4: Simplify right side
    90,335,827.64x = 5,305,959,619,697,819
  5. Step 5: Solve for x
    x = 5,305,959,619,697,819/90,335,827.64
  6. Step 6: Final answer
    x = 58,735,938.53

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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.