Home / 152,320,080.29-210,195,815.40-82,703,868.08

Finding the Fourth Proportional to 152,320,080.29, 210,195,815.40 and 82,703,868.08

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Solution

The fourth proportional to 152,320,080.29, 210,195,815.40 and 82,703,868.08 is: 114,128,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,320,080.29 : 210,195,815.40 = 82,703,868.08 : x
  2. Step 2: Convert to fraction form
    152,320,080.29/210,195,815.40 = 82,703,868.08/x
  3. Step 3: Cross multiply
    152,320,080.29x = 210,195,815.40 × 82,703,868.08
  4. Step 4: Simplify right side
    152,320,080.29x = 17,384,006,986,758,654
  5. Step 5: Solve for x
    x = 17,384,006,986,758,654/152,320,080.29
  6. Step 6: Final answer
    x = 114,128,136.97

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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.