Home / 31,800,928.22-43,912,557.78-30,772,590.02

Finding the Fourth Proportional to 31,800,928.22, 43,912,557.78 and 30,772,590.02

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Solution

The fourth proportional to 31,800,928.22, 43,912,557.78 and 30,772,590.02 is: 42,492,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800,928.22 : 43,912,557.78 = 30,772,590.02 : x
  2. Step 2: Convert to fraction form
    31,800,928.22/43,912,557.78 = 30,772,590.02/x
  3. Step 3: Cross multiply
    31,800,928.22x = 43,912,557.78 × 30,772,590.02
  4. Step 4: Simplify right side
    31,800,928.22x = 1,351,303,137,293,501.25
  5. Step 5: Solve for x
    x = 1,351,303,137,293,501.25/31,800,928.22
  6. Step 6: Final answer
    x = 42,492,569.02

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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.