Home / 100,423,151.82-150,692,843.88-42,125,608.98

Finding the Fourth Proportional to 100,423,151.82, 150,692,843.88 and 42,125,608.98

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Solution

The fourth proportional to 100,423,151.82, 150,692,843.88 and 42,125,608.98 is: 63,212,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,423,151.82 : 150,692,843.88 = 42,125,608.98 : x
  2. Step 2: Convert to fraction form
    100,423,151.82/150,692,843.88 = 42,125,608.98/x
  3. Step 3: Cross multiply
    100,423,151.82x = 150,692,843.88 × 42,125,608.98
  4. Step 4: Simplify right side
    100,423,151.82x = 6,348,027,817,373,065
  5. Step 5: Solve for x
    x = 6,348,027,817,373,065/100,423,151.82
  6. Step 6: Final answer
    x = 63,212,792.09

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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.