Home / 217,455,732.45-300,088,960.25-119,670,588.45

Finding the Fourth Proportional to 217,455,732.45, 300,088,960.25 and 119,670,588.45

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Solution

The fourth proportional to 217,455,732.45, 300,088,960.25 and 119,670,588.45 is: 165,145,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,732.45 : 300,088,960.25 = 119,670,588.45 : x
  2. Step 2: Convert to fraction form
    217,455,732.45/300,088,960.25 = 119,670,588.45/x
  3. Step 3: Cross multiply
    217,455,732.45x = 300,088,960.25 × 119,670,588.45
  4. Step 4: Simplify right side
    217,455,732.45x = 35,911,822,459,867,808
  5. Step 5: Solve for x
    x = 35,911,822,459,867,808/217,455,732.45
  6. Step 6: Final answer
    x = 165,145,439.28

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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.