Home / 42,408,678.82-63,554,165.26-19,323,195.48

Finding the Fourth Proportional to 42,408,678.82, 63,554,165.26 and 19,323,195.48

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Solution

The fourth proportional to 42,408,678.82, 63,554,165.26 and 19,323,195.48 is: 28,957,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,678.82 : 63,554,165.26 = 19,323,195.48 : x
  2. Step 2: Convert to fraction form
    42,408,678.82/63,554,165.26 = 19,323,195.48/x
  3. Step 3: Cross multiply
    42,408,678.82x = 63,554,165.26 × 19,323,195.48
  4. Step 4: Simplify right side
    42,408,678.82x = 1,228,069,558,887,205
  5. Step 5: Solve for x
    x = 1,228,069,558,887,205/42,408,678.82
  6. Step 6: Final answer
    x = 28,957,977.31

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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.