Home / 42,408,678.32-63,554,164.52-19,323,194.97

Finding the Fourth Proportional to 42,408,678.32, 63,554,164.52 and 19,323,194.97

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Solution

The fourth proportional to 42,408,678.32, 63,554,164.52 and 19,323,194.97 is: 28,957,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,678.32 : 63,554,164.52 = 19,323,194.97 : x
  2. Step 2: Convert to fraction form
    42,408,678.32/63,554,164.52 = 19,323,194.97/x
  3. Step 3: Cross multiply
    42,408,678.32x = 63,554,164.52 × 19,323,194.97
  4. Step 4: Simplify right side
    42,408,678.32x = 1,228,069,512,078,800.50
  5. Step 5: Solve for x
    x = 1,228,069,512,078,800.50/42,408,678.32
  6. Step 6: Final answer
    x = 28,957,976.55

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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.