Home / 55,398,810.43-76,454,316.65-30,618,463.83

Finding the Fourth Proportional to 55,398,810.43, 76,454,316.65 and 30,618,463.83

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Solution

The fourth proportional to 55,398,810.43, 76,454,316.65 and 30,618,463.83 is: 42,255,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398,810.43 : 76,454,316.65 = 30,618,463.83 : x
  2. Step 2: Convert to fraction form
    55,398,810.43/76,454,316.65 = 30,618,463.83/x
  3. Step 3: Cross multiply
    55,398,810.43x = 76,454,316.65 × 30,618,463.83
  4. Step 4: Simplify right side
    55,398,810.43x = 2,340,913,728,785,234.50
  5. Step 5: Solve for x
    x = 2,340,913,728,785,234.50/55,398,810.43
  6. Step 6: Final answer
    x = 42,255,667.78

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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.