Home / 261,666,498.78-361,116,718.55-150,162,039.53

Finding the Fourth Proportional to 261,666,498.78, 361,116,718.55 and 150,162,039.53

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Solution

The fourth proportional to 261,666,498.78, 361,116,718.55 and 150,162,039.53 is: 207,233,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,666,498.78 : 361,116,718.55 = 150,162,039.53 : x
  2. Step 2: Convert to fraction form
    261,666,498.78/361,116,718.55 = 150,162,039.53/x
  3. Step 3: Cross multiply
    261,666,498.78x = 361,116,718.55 × 150,162,039.53
  4. Step 4: Simplify right side
    261,666,498.78x = 54,226,022,963,292,592
  5. Step 5: Solve for x
    x = 54,226,022,963,292,592/261,666,498.78
  6. Step 6: Final answer
    x = 207,233,341.74

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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.