Home / 162,021,136-223,591,267.20-88,680,703.36

Finding the Fourth Proportional to 162,021,136, 223,591,267.20 and 88,680,703.36

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Solution

The fourth proportional to 162,021,136, 223,591,267.20 and 88,680,703.36 is: 122,380,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,021,136 : 223,591,267.20 = 88,680,703.36 : x
  2. Step 2: Convert to fraction form
    162,021,136/223,591,267.20 = 88,680,703.36/x
  3. Step 3: Cross multiply
    162,021,136x = 223,591,267.20 × 88,680,703.36
  4. Step 4: Simplify right side
    162,021,136x = 19,828,230,840,449,696
  5. Step 5: Solve for x
    x = 19,828,230,840,449,696/162,021,136
  6. Step 6: Final answer
    x = 122,380,519.79

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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.