Home / 99,639,352.85-137,502,365.52-55,586,351.91

Finding the Fourth Proportional to 99,639,352.85, 137,502,365.52 and 55,586,351.91

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Solution

The fourth proportional to 99,639,352.85, 137,502,365.52 and 55,586,351.91 is: 76,709,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,352.85 : 137,502,365.52 = 55,586,351.91 : x
  2. Step 2: Convert to fraction form
    99,639,352.85/137,502,365.52 = 55,586,351.91/x
  3. Step 3: Cross multiply
    99,639,352.85x = 137,502,365.52 × 55,586,351.91
  4. Step 4: Simplify right side
    99,639,352.85x = 7,643,254,878,252,170
  5. Step 5: Solve for x
    x = 7,643,254,878,252,170/99,639,352.85
  6. Step 6: Final answer
    x = 76,709,198.32

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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.