Home / 261,293,839.88-360,401,916.98-171,957,320.69

Finding the Fourth Proportional to 261,293,839.88, 360,401,916.98 and 171,957,320.69

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Solution

The fourth proportional to 261,293,839.88, 360,401,916.98 and 171,957,320.69 is: 237,180,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,293,839.88 : 360,401,916.98 = 171,957,320.69 : x
  2. Step 2: Convert to fraction form
    261,293,839.88/360,401,916.98 = 171,957,320.69/x
  3. Step 3: Cross multiply
    261,293,839.88x = 360,401,916.98 × 171,957,320.69
  4. Step 4: Simplify right side
    261,293,839.88x = 61,973,748,014,048,504
  5. Step 5: Solve for x
    x = 61,973,748,014,048,504/261,293,839.88
  6. Step 6: Final answer
    x = 237,180,287.31

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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.