Home / 217,455,659.81-300,088,859.48-119,670,515.81

Finding the Fourth Proportional to 217,455,659.81, 300,088,859.48 and 119,670,515.81

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Solution

The fourth proportional to 217,455,659.81, 300,088,859.48 and 119,670,515.81 is: 165,145,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,659.81 : 300,088,859.48 = 119,670,515.81 : x
  2. Step 2: Convert to fraction form
    217,455,659.81/300,088,859.48 = 119,670,515.81/x
  3. Step 3: Cross multiply
    217,455,659.81x = 300,088,859.48 × 119,670,515.81
  4. Step 4: Simplify right side
    217,455,659.81x = 35,911,788,602,955,256
  5. Step 5: Solve for x
    x = 35,911,788,602,955,256/217,455,659.81
  6. Step 6: Final answer
    x = 165,145,338.75

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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.