Home / 162,918,336.80-244,660,940.40-86,390,832.80

Finding the Fourth Proportional to 162,918,336.80, 244,660,940.40 and 86,390,832.80

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Solution

The fourth proportional to 162,918,336.80, 244,660,940.40 and 86,390,832.80 is: 129,736,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,918,336.80 : 244,660,940.40 = 86,390,832.80 : x
  2. Step 2: Convert to fraction form
    162,918,336.80/244,660,940.40 = 86,390,832.80/x
  3. Step 3: Cross multiply
    162,918,336.80x = 244,660,940.40 × 86,390,832.80
  4. Step 4: Simplify right side
    162,918,336.80x = 21,136,462,394,787,164
  5. Step 5: Solve for x
    x = 21,136,462,394,787,164/162,918,336.80
  6. Step 6: Final answer
    x = 129,736,546.60

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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.