Home / 72,388,195.31-98,559,290.99-72,158,353.56

Finding the Fourth Proportional to 72,388,195.31, 98,559,290.99 and 72,158,353.56

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Solution

The fourth proportional to 72,388,195.31, 98,559,290.99 and 72,158,353.56 is: 98,246,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,388,195.31 : 98,559,290.99 = 72,158,353.56 : x
  2. Step 2: Convert to fraction form
    72,388,195.31/98,559,290.99 = 72,158,353.56/x
  3. Step 3: Cross multiply
    72,388,195.31x = 98,559,290.99 × 72,158,353.56
  4. Step 4: Simplify right side
    72,388,195.31x = 7,111,876,165,518,551
  5. Step 5: Solve for x
    x = 7,111,876,165,518,551/72,388,195.31
  6. Step 6: Final answer
    x = 98,246,352.68

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.