Home / 162,021,135.50-223,591,266.51-88,680,702.86

Finding the Fourth Proportional to 162,021,135.50, 223,591,266.51 and 88,680,702.86

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Solution

The fourth proportional to 162,021,135.50, 223,591,266.51 and 88,680,702.86 is: 122,380,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,021,135.50 : 223,591,266.51 = 88,680,702.86 : x
  2. Step 2: Convert to fraction form
    162,021,135.50/223,591,266.51 = 88,680,702.86/x
  3. Step 3: Cross multiply
    162,021,135.50x = 223,591,266.51 × 88,680,702.86
  4. Step 4: Simplify right side
    162,021,135.50x = 19,828,230,667,464,380
  5. Step 5: Solve for x
    x = 19,828,230,667,464,380/162,021,135.50
  6. Step 6: Final answer
    x = 122,380,519.10

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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.