Home / 80,103,078.16-110,544,421.48-45,300,972.94

Finding the Fourth Proportional to 80,103,078.16, 110,544,421.48 and 45,300,972.94

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Solution

The fourth proportional to 80,103,078.16, 110,544,421.48 and 45,300,972.94 is: 62,516,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,103,078.16 : 110,544,421.48 = 45,300,972.94 : x
  2. Step 2: Convert to fraction form
    80,103,078.16/110,544,421.48 = 45,300,972.94/x
  3. Step 3: Cross multiply
    80,103,078.16x = 110,544,421.48 × 45,300,972.94
  4. Step 4: Simplify right side
    80,103,078.16x = 5,007,769,845,743,822
  5. Step 5: Solve for x
    x = 5,007,769,845,743,822/80,103,078.16
  6. Step 6: Final answer
    x = 62,516,571.91

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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.