Home / 54,980,731.20-75,873,586.36-30,534,445.20

Finding the Fourth Proportional to 54,980,731.20, 75,873,586.36 and 30,534,445.20

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Solution

The fourth proportional to 54,980,731.20, 75,873,586.36 and 30,534,445.20 is: 42,137,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980,731.20 : 75,873,586.36 = 30,534,445.20 : x
  2. Step 2: Convert to fraction form
    54,980,731.20/75,873,586.36 = 30,534,445.20/x
  3. Step 3: Cross multiply
    54,980,731.20x = 75,873,586.36 × 30,534,445.20
  4. Step 4: Simplify right side
    54,980,731.20x = 2,316,757,864,836,887.50
  5. Step 5: Solve for x
    x = 2,316,757,864,836,887.50/54,980,731.20
  6. Step 6: Final answer
    x = 42,137,632.84

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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.