Home / 90,335,826.64-135,427,566.84-39,179,315.92

Finding the Fourth Proportional to 90,335,826.64, 135,427,566.84 and 39,179,315.92

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Solution

The fourth proportional to 90,335,826.64, 135,427,566.84 and 39,179,315.92 is: 58,735,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,335,826.64 : 135,427,566.84 = 39,179,315.92 : x
  2. Step 2: Convert to fraction form
    90,335,826.64/135,427,566.84 = 39,179,315.92/x
  3. Step 3: Cross multiply
    90,335,826.64x = 135,427,566.84 × 39,179,315.92
  4. Step 4: Simplify right side
    90,335,826.64x = 5,305,959,425,501,276
  5. Step 5: Solve for x
    x = 5,305,959,425,501,276/90,335,826.64
  6. Step 6: Final answer
    x = 58,735,937.03

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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.