Home / 315,614,324.34-435,561,219.81-176,385,084.84

Finding the Fourth Proportional to 315,614,324.34, 435,561,219.81 and 176,385,084.84

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Solution

The fourth proportional to 315,614,324.34, 435,561,219.81 and 176,385,084.84 is: 243,418,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,614,324.34 : 435,561,219.81 = 176,385,084.84 : x
  2. Step 2: Convert to fraction form
    315,614,324.34/435,561,219.81 = 176,385,084.84/x
  3. Step 3: Cross multiply
    315,614,324.34x = 435,561,219.81 × 176,385,084.84
  4. Step 4: Simplify right side
    315,614,324.34x = 76,826,502,709,200,736
  5. Step 5: Solve for x
    x = 76,826,502,709,200,736/315,614,324.34
  6. Step 6: Final answer
    x = 243,418,935.02

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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.