Home / 261,631,536.71-360,938,080.67-155,725,564.14

Finding the Fourth Proportional to 261,631,536.71, 360,938,080.67 and 155,725,564.14

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Solution

The fourth proportional to 261,631,536.71, 360,938,080.67 and 155,725,564.14 is: 214,833,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,631,536.71 : 360,938,080.67 = 155,725,564.14 : x
  2. Step 2: Convert to fraction form
    261,631,536.71/360,938,080.67 = 155,725,564.14/x
  3. Step 3: Cross multiply
    261,631,536.71x = 360,938,080.67 × 155,725,564.14
  4. Step 4: Simplify right side
    261,631,536.71x = 56,207,286,231,165,952
  5. Step 5: Solve for x
    x = 56,207,286,231,165,952/261,631,536.71
  6. Step 6: Final answer
    x = 214,833,757.96

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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.