Home / 215,844,720.36-297,962,988.46-137,633,401.32

Finding the Fourth Proportional to 215,844,720.36, 297,962,988.46 and 137,633,401.32

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Solution

The fourth proportional to 215,844,720.36, 297,962,988.46 and 137,633,401.32 is: 189,996,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,844,720.36 : 297,962,988.46 = 137,633,401.32 : x
  2. Step 2: Convert to fraction form
    215,844,720.36/297,962,988.46 = 137,633,401.32/x
  3. Step 3: Cross multiply
    215,844,720.36x = 297,962,988.46 × 137,633,401.32
  4. Step 4: Simplify right side
    215,844,720.36x = 41,009,659,569,221,704
  5. Step 5: Solve for x
    x = 41,009,659,569,221,704/215,844,720.36
  6. Step 6: Final answer
    x = 189,996,120.83

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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.