Home / 261,666,501.78-361,116,722.69-150,162,042.53

Finding the Fourth Proportional to 261,666,501.78, 361,116,722.69 and 150,162,042.53

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Solution

The fourth proportional to 261,666,501.78, 361,116,722.69 and 150,162,042.53 is: 207,233,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,666,501.78 : 361,116,722.69 = 150,162,042.53 : x
  2. Step 2: Convert to fraction form
    261,666,501.78/361,116,722.69 = 150,162,042.53/x
  3. Step 3: Cross multiply
    261,666,501.78x = 361,116,722.69 × 150,162,042.53
  4. Step 4: Simplify right side
    261,666,501.78x = 54,226,024,668,313,608
  5. Step 5: Solve for x
    x = 54,226,024,668,313,608/261,666,501.78
  6. Step 6: Final answer
    x = 207,233,345.88

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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.