Home / 80,426,336.78-110,979,464.01-45,136,047.66

Finding the Fourth Proportional to 80,426,336.78, 110,979,464.01 and 45,136,047.66

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Solution

The fourth proportional to 80,426,336.78, 110,979,464.01 and 45,136,047.66 is: 62,282,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,426,336.78 : 110,979,464.01 = 45,136,047.66 : x
  2. Step 2: Convert to fraction form
    80,426,336.78/110,979,464.01 = 45,136,047.66/x
  3. Step 3: Cross multiply
    80,426,336.78x = 110,979,464.01 × 45,136,047.66
  4. Step 4: Simplify right side
    80,426,336.78x = 5,009,174,377,252,788
  5. Step 5: Solve for x
    x = 5,009,174,377,252,788/80,426,336.78
  6. Step 6: Final answer
    x = 62,282,761.81

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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.