Home / 80,919,272.20-121,378,908.30-46,907,048.20

Finding the Fourth Proportional to 80,919,272.20, 121,378,908.30 and 46,907,048.20

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Solution

The fourth proportional to 80,919,272.20, 121,378,908.30 and 46,907,048.20 is: 70,360,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,919,272.20 : 121,378,908.30 = 46,907,048.20 : x
  2. Step 2: Convert to fraction form
    80,919,272.20/121,378,908.30 = 46,907,048.20/x
  3. Step 3: Cross multiply
    80,919,272.20x = 121,378,908.30 × 46,907,048.20
  4. Step 4: Simplify right side
    80,919,272.20x = 5,693,526,302,091,480
  5. Step 5: Solve for x
    x = 5,693,526,302,091,480/80,919,272.20
  6. Step 6: Final answer
    x = 70,360,572.30

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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.