Home / 54,978,063.02-75,867,648.32-30,533,351.66

Finding the Fourth Proportional to 54,978,063.02, 75,867,648.32 and 30,533,351.66

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Solution

The fourth proportional to 54,978,063.02, 75,867,648.32 and 30,533,351.66 is: 42,134,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,063.02 : 75,867,648.32 = 30,533,351.66 : x
  2. Step 2: Convert to fraction form
    54,978,063.02/75,867,648.32 = 30,533,351.66/x
  3. Step 3: Cross multiply
    54,978,063.02x = 75,867,648.32 × 30,533,351.66
  4. Step 4: Simplify right side
    54,978,063.02x = 2,316,493,585,771,768
  5. Step 5: Solve for x
    x = 2,316,493,585,771,768/54,978,063.02
  6. Step 6: Final answer
    x = 42,134,870.87

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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.