Home / 100,699,608,932.62-138,964,753,393.67-54,973,884,341.81

Finding the Fourth Proportional to 100,699,608,932.62, 138,964,753,393.67 and 54,973,884,341.81

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Solution

The fourth proportional to 100,699,608,932.62, 138,964,753,393.67 and 54,973,884,341.81 is: 75,863,574,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,699,608,932.62 : 138,964,753,393.67 = 54,973,884,341.81 : x
  2. Step 2: Convert to fraction form
    100,699,608,932.62/138,964,753,393.67 = 54,973,884,341.81/x
  3. Step 3: Cross multiply
    100,699,608,932.62x = 138,964,753,393.67 × 54,973,884,341.81
  4. Step 4: Simplify right side
    100,699,608,932.62x = 7,639,432,280,652,041,420,800
  5. Step 5: Solve for x
    x = 7,639,432,280,652,041,420,800/100,699,608,932.62
  6. Step 6: Final answer
    x = 75,863,574,462.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.