Home / 315,562,190.34-435,467,468.49-176,334,096.18

Finding the Fourth Proportional to 315,562,190.34, 435,467,468.49 and 176,334,096.18

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Solution

The fourth proportional to 315,562,190.34, 435,467,468.49 and 176,334,096.18 is: 243,336,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,562,190.34 : 435,467,468.49 = 176,334,096.18 : x
  2. Step 2: Convert to fraction form
    315,562,190.34/435,467,468.49 = 176,334,096.18/x
  3. Step 3: Cross multiply
    315,562,190.34x = 435,467,468.49 × 176,334,096.18
  4. Step 4: Simplify right side
    315,562,190.34x = 76,787,762,471,976,784
  5. Step 5: Solve for x
    x = 76,787,762,471,976,784/315,562,190.34
  6. Step 6: Final answer
    x = 243,336,384.47

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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.