Home / 54,232,642.72-74,822,838.40-30,707,965

Finding the Fourth Proportional to 54,232,642.72, 74,822,838.40 and 30,707,965

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Solution

The fourth proportional to 54,232,642.72, 74,822,838.40 and 30,707,965 is: 42,366,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,232,642.72 : 74,822,838.40 = 30,707,965 : x
  2. Step 2: Convert to fraction form
    54,232,642.72/74,822,838.40 = 30,707,965/x
  3. Step 3: Cross multiply
    54,232,642.72x = 74,822,838.40 × 30,707,965
  4. Step 4: Simplify right side
    54,232,642.72x = 2,297,657,102,787,856
  5. Step 5: Solve for x
    x = 2,297,657,102,787,856/54,232,642.72
  6. Step 6: Final answer
    x = 42,366,681.53

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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.