Home / 51,819,463.72-77,740,156.77-19,471,646.50

Finding the Fourth Proportional to 51,819,463.72, 77,740,156.77 and 19,471,646.50

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Solution

The fourth proportional to 51,819,463.72, 77,740,156.77 and 19,471,646.50 is: 29,211,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819,463.72 : 77,740,156.77 = 19,471,646.50 : x
  2. Step 2: Convert to fraction form
    51,819,463.72/77,740,156.77 = 19,471,646.50/x
  3. Step 3: Cross multiply
    51,819,463.72x = 77,740,156.77 × 19,471,646.50
  4. Step 4: Simplify right side
    51,819,463.72x = 1,513,728,851,322,161
  5. Step 5: Solve for x
    x = 1,513,728,851,322,161/51,819,463.72
  6. Step 6: Final answer
    x = 29,211,588.52

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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.