Home / 77,277,208.20-115,915,812.30-41,445,400.20

Finding the Fourth Proportional to 77,277,208.20, 115,915,812.30 and 41,445,400.20

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Solution

The fourth proportional to 77,277,208.20, 115,915,812.30 and 41,445,400.20 is: 62,168,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277,208.20 : 115,915,812.30 = 41,445,400.20 : x
  2. Step 2: Convert to fraction form
    77,277,208.20/115,915,812.30 = 41,445,400.20/x
  3. Step 3: Cross multiply
    77,277,208.20x = 115,915,812.30 × 41,445,400.20
  4. Step 4: Simplify right side
    77,277,208.20x = 4,804,177,230,281,583
  5. Step 5: Solve for x
    x = 4,804,177,230,281,583/77,277,208.20
  6. Step 6: Final answer
    x = 62,168,100.30

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1.5x scale

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.