Home / 63,406,976-87,501,639.58-38,627,161.52

Finding the Fourth Proportional to 63,406,976, 87,501,639.58 and 38,627,161.52

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Solution

The fourth proportional to 63,406,976, 87,501,639.58 and 38,627,161.52 is: 53,305,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,406,976 : 87,501,639.58 = 38,627,161.52 : x
  2. Step 2: Convert to fraction form
    63,406,976/87,501,639.58 = 38,627,161.52/x
  3. Step 3: Cross multiply
    63,406,976x = 87,501,639.58 × 38,627,161.52
  4. Step 4: Simplify right side
    63,406,976x = 3,379,939,965,321,485
  5. Step 5: Solve for x
    x = 3,379,939,965,321,485/63,406,976
  6. Step 6: Final answer
    x = 53,305,490.63

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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.