Home / 314,930,783.70-472,396,175.55-84,923,118.90

Finding the Fourth Proportional to 314,930,783.70, 472,396,175.55 and 84,923,118.90

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Solution

The fourth proportional to 314,930,783.70, 472,396,175.55 and 84,923,118.90 is: 127,384,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,783.70 : 472,396,175.55 = 84,923,118.90 : x
  2. Step 2: Convert to fraction form
    314,930,783.70/472,396,175.55 = 84,923,118.90/x
  3. Step 3: Cross multiply
    314,930,783.70x = 472,396,175.55 × 84,923,118.90
  4. Step 4: Simplify right side
    314,930,783.70x = 40,117,356,584,137,928
  5. Step 5: Solve for x
    x = 40,117,356,584,137,928/314,930,783.70
  6. Step 6: Final answer
    x = 127,384,678.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.