Home / 162,021,135-223,591,265.82-88,680,702.36

Finding the Fourth Proportional to 162,021,135, 223,591,265.82 and 88,680,702.36

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Solution

The fourth proportional to 162,021,135, 223,591,265.82 and 88,680,702.36 is: 122,380,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,021,135 : 223,591,265.82 = 88,680,702.36 : x
  2. Step 2: Convert to fraction form
    162,021,135/223,591,265.82 = 88,680,702.36/x
  3. Step 3: Cross multiply
    162,021,135x = 223,591,265.82 × 88,680,702.36
  4. Step 4: Simplify right side
    162,021,135x = 19,828,230,494,479,060
  5. Step 5: Solve for x
    x = 19,828,230,494,479,060/162,021,135
  6. Step 6: Final answer
    x = 122,380,518.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.