Home / 261,583,838.28-361,036,389.66-150,140,662.20

Finding the Fourth Proportional to 261,583,838.28, 361,036,389.66 and 150,140,662.20

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Solution

The fourth proportional to 261,583,838.28, 361,036,389.66 and 150,140,662.20 is: 207,223,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,583,838.28 : 361,036,389.66 = 150,140,662.20 : x
  2. Step 2: Convert to fraction form
    261,583,838.28/361,036,389.66 = 150,140,662.20/x
  3. Step 3: Cross multiply
    261,583,838.28x = 361,036,389.66 × 150,140,662.20
  4. Step 4: Simplify right side
    261,583,838.28x = 54,206,242,621,849,632
  5. Step 5: Solve for x
    x = 54,206,242,621,849,632/261,583,838.28
  6. Step 6: Final answer
    x = 207,223,209.88

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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.