Home / 98,736,290.73-136,129,469.27-76,672,357.29

Finding the Fourth Proportional to 98,736,290.73, 136,129,469.27 and 76,672,357.29

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Solution

The fourth proportional to 98,736,290.73, 136,129,469.27 and 76,672,357.29 is: 105,709,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,736,290.73 : 136,129,469.27 = 76,672,357.29 : x
  2. Step 2: Convert to fraction form
    98,736,290.73/136,129,469.27 = 76,672,357.29/x
  3. Step 3: Cross multiply
    98,736,290.73x = 136,129,469.27 × 76,672,357.29
  4. Step 4: Simplify right side
    98,736,290.73x = 10,437,367,305,184,154
  5. Step 5: Solve for x
    x = 10,437,367,305,184,154/98,736,290.73
  6. Step 6: Final answer
    x = 105,709,534.24

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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.