Home / 165,406,909.60-248,110,364.40-162,855,992.80

Finding the Fourth Proportional to 165,406,909.60, 248,110,364.40 and 162,855,992.80

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Solution

The fourth proportional to 165,406,909.60, 248,110,364.40 and 162,855,992.80 is: 244,283,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,406,909.60 : 248,110,364.40 = 162,855,992.80 : x
  2. Step 2: Convert to fraction form
    165,406,909.60/248,110,364.40 = 162,855,992.80/x
  3. Step 3: Cross multiply
    165,406,909.60x = 248,110,364.40 × 162,855,992.80
  4. Step 4: Simplify right side
    165,406,909.60x = 40,406,259,718,331,784
  5. Step 5: Solve for x
    x = 40,406,259,718,331,784/165,406,909.60
  6. Step 6: Final answer
    x = 244,283,989.20

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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.