Home / 53,641,310.40-74,022,820.38-30,435,937.92

Finding the Fourth Proportional to 53,641,310.40, 74,022,820.38 and 30,435,937.92

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Solution

The fourth proportional to 53,641,310.40, 74,022,820.38 and 30,435,937.92 is: 42,000,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,641,310.40 : 74,022,820.38 = 30,435,937.92 : x
  2. Step 2: Convert to fraction form
    53,641,310.40/74,022,820.38 = 30,435,937.92/x
  3. Step 3: Cross multiply
    53,641,310.40x = 74,022,820.38 × 30,435,937.92
  4. Step 4: Simplify right side
    53,641,310.40x = 2,252,953,965,748,991
  5. Step 5: Solve for x
    x = 2,252,953,965,748,991/53,641,310.40
  6. Step 6: Final answer
    x = 42,000,352.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.