Home / 314,930,738.40-472,396,107.60-96,579,346.20

Finding the Fourth Proportional to 314,930,738.40, 472,396,107.60 and 96,579,346.20

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Solution

The fourth proportional to 314,930,738.40, 472,396,107.60 and 96,579,346.20 is: 144,869,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,738.40 : 472,396,107.60 = 96,579,346.20 : x
  2. Step 2: Convert to fraction form
    314,930,738.40/472,396,107.60 = 96,579,346.20/x
  3. Step 3: Cross multiply
    314,930,738.40x = 472,396,107.60 × 96,579,346.20
  4. Step 4: Simplify right side
    314,930,738.40x = 45,623,707,219,432,856
  5. Step 5: Solve for x
    x = 45,623,707,219,432,856/314,930,738.40
  6. Step 6: Final answer
    x = 144,869,019.30

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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.