Home / 165,039,538.80-247,559,308.20-158,662,246.80

Finding the Fourth Proportional to 165,039,538.80, 247,559,308.20 and 158,662,246.80

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Solution

The fourth proportional to 165,039,538.80, 247,559,308.20 and 158,662,246.80 is: 237,993,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039,538.80 : 247,559,308.20 = 158,662,246.80 : x
  2. Step 2: Convert to fraction form
    165,039,538.80/247,559,308.20 = 158,662,246.80/x
  3. Step 3: Cross multiply
    165,039,538.80x = 247,559,308.20 × 158,662,246.80
  4. Step 4: Simplify right side
    165,039,538.80x = 39,278,316,055,265,664
  5. Step 5: Solve for x
    x = 39,278,316,055,265,664/165,039,538.80
  6. Step 6: Final answer
    x = 237,993,370.20

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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.