Home / 314,928,625.70-472,392,938.55-159,960,430.10

Finding the Fourth Proportional to 314,928,625.70, 472,392,938.55 and 159,960,430.10

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Solution

The fourth proportional to 314,928,625.70, 472,392,938.55 and 159,960,430.10 is: 239,940,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,625.70 : 472,392,938.55 = 159,960,430.10 : x
  2. Step 2: Convert to fraction form
    314,928,625.70/472,392,938.55 = 159,960,430.10/x
  3. Step 3: Cross multiply
    314,928,625.70x = 472,392,938.55 × 159,960,430.10
  4. Step 4: Simplify right side
    314,928,625.70x = 75,564,177,626,660,864
  5. Step 5: Solve for x
    x = 75,564,177,626,660,864/314,928,625.70
  6. Step 6: Final answer
    x = 239,940,645.15

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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.