Home / 243,201,710.74-335,642,321.13-138,795,497.14

Finding the Fourth Proportional to 243,201,710.74, 335,642,321.13 and 138,795,497.14

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Solution

The fourth proportional to 243,201,710.74, 335,642,321.13 and 138,795,497.14 is: 191,551,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,201,710.74 : 335,642,321.13 = 138,795,497.14 : x
  2. Step 2: Convert to fraction form
    243,201,710.74/335,642,321.13 = 138,795,497.14/x
  3. Step 3: Cross multiply
    243,201,710.74x = 335,642,321.13 × 138,795,497.14
  4. Step 4: Simplify right side
    243,201,710.74x = 46,585,642,822,461,872
  5. Step 5: Solve for x
    x = 46,585,642,822,461,872/243,201,710.74
  6. Step 6: Final answer
    x = 191,551,460.23

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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.