Home / 243,201,711.74-335,642,322.51-138,795,498.14

Finding the Fourth Proportional to 243,201,711.74, 335,642,322.51 and 138,795,498.14

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Solution

The fourth proportional to 243,201,711.74, 335,642,322.51 and 138,795,498.14 is: 191,551,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,201,711.74 : 335,642,322.51 = 138,795,498.14 : x
  2. Step 2: Convert to fraction form
    243,201,711.74/335,642,322.51 = 138,795,498.14/x
  3. Step 3: Cross multiply
    243,201,711.74x = 335,642,322.51 × 138,795,498.14
  4. Step 4: Simplify right side
    243,201,711.74x = 46,585,643,349,641,976
  5. Step 5: Solve for x
    x = 46,585,643,349,641,976/243,201,711.74
  6. Step 6: Final answer
    x = 191,551,461.61

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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.