Home / 223,098,144.24-307,550,955.20-155,908,502.80

Finding the Fourth Proportional to 223,098,144.24, 307,550,955.20 and 155,908,502.80

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Solution

The fourth proportional to 223,098,144.24, 307,550,955.20 and 155,908,502.80 is: 214,926,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,098,144.24 : 307,550,955.20 = 155,908,502.80 : x
  2. Step 2: Convert to fraction form
    223,098,144.24/307,550,955.20 = 155,908,502.80/x
  3. Step 3: Cross multiply
    223,098,144.24x = 307,550,955.20 × 155,908,502.80
  4. Step 4: Simplify right side
    223,098,144.24x = 47,949,808,959,941,880
  5. Step 5: Solve for x
    x = 47,949,808,959,941,880/223,098,144.24
  6. Step 6: Final answer
    x = 214,926,973.61

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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.