Home / 86,452,745-119,305,730.13-47,293,680.97

Finding the Fourth Proportional to 86,452,745, 119,305,730.13 and 47,293,680.97

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Solution

The fourth proportional to 86,452,745, 119,305,730.13 and 47,293,680.97 is: 65,265,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452,745 : 119,305,730.13 = 47,293,680.97 : x
  2. Step 2: Convert to fraction form
    86,452,745/119,305,730.13 = 47,293,680.97/x
  3. Step 3: Cross multiply
    86,452,745x = 119,305,730.13 × 47,293,680.97
  4. Step 4: Simplify right side
    86,452,745x = 5,642,407,138,064,608
  5. Step 5: Solve for x
    x = 5,642,407,138,064,608/86,452,745
  6. Step 6: Final answer
    x = 65,265,795.07

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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.