Home / 261,162,568.17-360,407,204.57-142,085,837.26

Finding the Fourth Proportional to 261,162,568.17, 360,407,204.57 and 142,085,837.26

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Solution

The fourth proportional to 261,162,568.17, 360,407,204.57 and 142,085,837.26 is: 196,080,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,162,568.17 : 360,407,204.57 = 142,085,837.26 : x
  2. Step 2: Convert to fraction form
    261,162,568.17/360,407,204.57 = 142,085,837.26/x
  3. Step 3: Cross multiply
    261,162,568.17x = 360,407,204.57 × 142,085,837.26
  4. Step 4: Simplify right side
    261,162,568.17x = 51,208,759,417,881,928
  5. Step 5: Solve for x
    x = 51,208,759,417,881,928/261,162,568.17
  6. Step 6: Final answer
    x = 196,080,011.68

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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.