Home / 141,182,061.12-194,835,975.21-78,460,802.46

Finding the Fourth Proportional to 141,182,061.12, 194,835,975.21 and 78,460,802.46

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Solution

The fourth proportional to 141,182,061.12, 194,835,975.21 and 78,460,802.46 is: 108,278,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182,061.12 : 194,835,975.21 = 78,460,802.46 : x
  2. Step 2: Convert to fraction form
    141,182,061.12/194,835,975.21 = 78,460,802.46/x
  3. Step 3: Cross multiply
    141,182,061.12x = 194,835,975.21 × 78,460,802.46
  4. Step 4: Simplify right side
    141,182,061.12x = 15,286,986,963,053,266
  5. Step 5: Solve for x
    x = 15,286,986,963,053,266/141,182,061.12
  6. Step 6: Final answer
    x = 108,278,536.53

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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.