Home / 80,128,730.12-110,580,150.66-45,320,739.44

Finding the Fourth Proportional to 80,128,730.12, 110,580,150.66 and 45,320,739.44

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Solution

The fourth proportional to 80,128,730.12, 110,580,150.66 and 45,320,739.44 is: 62,544,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,128,730.12 : 110,580,150.66 = 45,320,739.44 : x
  2. Step 2: Convert to fraction form
    80,128,730.12/110,580,150.66 = 45,320,739.44/x
  3. Step 3: Cross multiply
    80,128,730.12x = 110,580,150.66 × 45,320,739.44
  4. Step 4: Simplify right side
    80,128,730.12x = 5,011,574,195,297,804
  5. Step 5: Solve for x
    x = 5,011,574,195,297,804/80,128,730.12
  6. Step 6: Final answer
    x = 62,544,036.18

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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.