Home / 50,342,305.68-75,513,461.96-20,071,426.32

Finding the Fourth Proportional to 50,342,305.68, 75,513,461.96 and 20,071,426.32

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Solution

The fourth proportional to 50,342,305.68, 75,513,461.96 and 20,071,426.32 is: 30,107,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,342,305.68 : 75,513,461.96 = 20,071,426.32 : x
  2. Step 2: Convert to fraction form
    50,342,305.68/75,513,461.96 = 20,071,426.32/x
  3. Step 3: Cross multiply
    50,342,305.68x = 75,513,461.96 × 20,071,426.32
  4. Step 4: Simplify right side
    50,342,305.68x = 1,515,662,887,898,262.75
  5. Step 5: Solve for x
    x = 1,515,662,887,898,262.75/50,342,305.68
  6. Step 6: Final answer
    x = 30,107,140.85

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1.5x scale

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.