Home / 36,109,122,918.96-54,116,566,820.62-20,172,815,674.94

Finding the Fourth Proportional to 36,109,122,918.96, 54,116,566,820.62 and 20,172,815,674.94

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Solution

The fourth proportional to 36,109,122,918.96, 54,116,566,820.62 and 20,172,815,674.94 is: 30,232,900,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109,122,918.96 : 54,116,566,820.62 = 20,172,815,674.94 : x
  2. Step 2: Convert to fraction form
    36,109,122,918.96/54,116,566,820.62 = 20,172,815,674.94/x
  3. Step 3: Cross multiply
    36,109,122,918.96x = 54,116,566,820.62 × 20,172,815,674.94
  4. Step 4: Simplify right side
    36,109,122,918.96x = 1,091,683,527,432,995,340,288
  5. Step 5: Solve for x
    x = 1,091,683,527,432,995,340,288/36,109,122,918.96
  6. Step 6: Final answer
    x = 30,232,900,696.12

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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.