Home / 152,319,564.40-210,195,105.78-82,703,352.19

Finding the Fourth Proportional to 152,319,564.40, 210,195,105.78 and 82,703,352.19

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Solution

The fourth proportional to 152,319,564.40, 210,195,105.78 and 82,703,352.19 is: 114,127,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319,564.40 : 210,195,105.78 = 82,703,352.19 : x
  2. Step 2: Convert to fraction form
    152,319,564.40/210,195,105.78 = 82,703,352.19/x
  3. Step 3: Cross multiply
    152,319,564.40x = 210,195,105.78 × 82,703,352.19
  4. Step 4: Simplify right side
    152,319,564.40x = 17,383,839,861,883,188
  5. Step 5: Solve for x
    x = 17,383,839,861,883,188/152,319,564.40
  6. Step 6: Final answer
    x = 114,127,426.31

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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.