Home / 145,221,046.78-217,877,618.87-51,846,015.11

Finding the Fourth Proportional to 145,221,046.78, 217,877,618.87 and 51,846,015.11

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Solution

The fourth proportional to 145,221,046.78, 217,877,618.87 and 51,846,015.11 is: 77,785,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,221,046.78 : 217,877,618.87 = 51,846,015.11 : x
  2. Step 2: Convert to fraction form
    145,221,046.78/217,877,618.87 = 51,846,015.11/x
  3. Step 3: Cross multiply
    145,221,046.78x = 217,877,618.87 × 51,846,015.11
  4. Step 4: Simplify right side
    145,221,046.78x = 11,296,086,320,282,412
  5. Step 5: Solve for x
    x = 11,296,086,320,282,412/145,221,046.78
  6. Step 6: Final answer
    x = 77,785,462.72

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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.