Home / 53,301,415.17-79,952,122.79-19,222,761.05

Finding the Fourth Proportional to 53,301,415.17, 79,952,122.79 and 19,222,761.05

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Solution

The fourth proportional to 53,301,415.17, 79,952,122.79 and 19,222,761.05 is: 28,834,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301,415.17 : 79,952,122.79 = 19,222,761.05 : x
  2. Step 2: Convert to fraction form
    53,301,415.17/79,952,122.79 = 19,222,761.05/x
  3. Step 3: Cross multiply
    53,301,415.17x = 79,952,122.79 × 19,222,761.05
  4. Step 4: Simplify right side
    53,301,415.17x = 1,536,900,551,336,555
  5. Step 5: Solve for x
    x = 1,536,900,551,336,555/53,301,415.17
  6. Step 6: Final answer
    x = 28,834,141.58

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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.