Home / 55,399,058.38-76,454,656.41-30,618,712.69

Finding the Fourth Proportional to 55,399,058.38, 76,454,656.41 and 30,618,712.69

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Solution

The fourth proportional to 55,399,058.38, 76,454,656.41 and 30,618,712.69 is: 42,256,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399,058.38 : 76,454,656.41 = 30,618,712.69 : x
  2. Step 2: Convert to fraction form
    55,399,058.38/76,454,656.41 = 30,618,712.69/x
  3. Step 3: Cross multiply
    55,399,058.38x = 76,454,656.41 × 30,618,712.69
  4. Step 4: Simplify right side
    55,399,058.38x = 2,340,943,158,430,457
  5. Step 5: Solve for x
    x = 2,340,943,158,430,457/55,399,058.38
  6. Step 6: Final answer
    x = 42,256,009.88

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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.