Home / 121,191,185.27-167,247,962.76-71,674,006.07

Finding the Fourth Proportional to 121,191,185.27, 167,247,962.76 and 71,674,006.07

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Solution

The fourth proportional to 121,191,185.27, 167,247,962.76 and 71,674,006.07 is: 98,912,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,191,185.27 : 167,247,962.76 = 71,674,006.07 : x
  2. Step 2: Convert to fraction form
    121,191,185.27/167,247,962.76 = 71,674,006.07/x
  3. Step 3: Cross multiply
    121,191,185.27x = 167,247,962.76 × 71,674,006.07
  4. Step 4: Simplify right side
    121,191,185.27x = 11,987,331,498,742,272
  5. Step 5: Solve for x
    x = 11,987,331,498,742,272/121,191,185.27
  6. Step 6: Final answer
    x = 98,912,569.19

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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.