Home / 162,195,525.50-243,304,636.75-80,292,412.96

Finding the Fourth Proportional to 162,195,525.50, 243,304,636.75 and 80,292,412.96

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Solution

The fourth proportional to 162,195,525.50, 243,304,636.75 and 80,292,412.96 is: 120,444,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,195,525.50 : 243,304,636.75 = 80,292,412.96 : x
  2. Step 2: Convert to fraction form
    162,195,525.50/243,304,636.75 = 80,292,412.96/x
  3. Step 3: Cross multiply
    162,195,525.50x = 243,304,636.75 × 80,292,412.96
  4. Step 4: Simplify right side
    162,195,525.50x = 19,535,516,368,204,800
  5. Step 5: Solve for x
    x = 19,535,516,368,204,800/162,195,525.50
  6. Step 6: Final answer
    x = 120,444,237.34

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1.5x scale

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.