Home / 310,847,939.92-429,007,773.90-176,918,420.94

Finding the Fourth Proportional to 310,847,939.92, 429,007,773.90 and 176,918,420.94

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Solution

The fourth proportional to 310,847,939.92, 429,007,773.90 and 176,918,420.94 is: 244,168,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,847,939.92 : 429,007,773.90 = 176,918,420.94 : x
  2. Step 2: Convert to fraction form
    310,847,939.92/429,007,773.90 = 176,918,420.94/x
  3. Step 3: Cross multiply
    310,847,939.92x = 429,007,773.90 × 176,918,420.94
  4. Step 4: Simplify right side
    310,847,939.92x = 75,899,377,929,372,544
  5. Step 5: Solve for x
    x = 75,899,377,929,372,544/310,847,939.92
  6. Step 6: Final answer
    x = 244,168,830.42

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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.