Home / 49,442,642.40-74,195,456.40-28,972,322.40

Finding the Fourth Proportional to 49,442,642.40, 74,195,456.40 and 28,972,322.40

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Solution

The fourth proportional to 49,442,642.40, 74,195,456.40 and 28,972,322.40 is: 43,476,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,442,642.40 : 74,195,456.40 = 28,972,322.40 : x
  2. Step 2: Convert to fraction form
    49,442,642.40/74,195,456.40 = 28,972,322.40/x
  3. Step 3: Cross multiply
    49,442,642.40x = 74,195,456.40 × 28,972,322.40
  4. Step 4: Simplify right side
    49,442,642.40x = 2,149,614,683,435,943.50
  5. Step 5: Solve for x
    x = 2,149,614,683,435,943.50/49,442,642.40
  6. Step 6: Final answer
    x = 43,476,937.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.