Home / 161,802,421.20-242,703,631.80-107,382,862.80

Finding the Fourth Proportional to 161,802,421.20, 242,703,631.80 and 107,382,862.80

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Solution

The fourth proportional to 161,802,421.20, 242,703,631.80 and 107,382,862.80 is: 161,074,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,802,421.20 : 242,703,631.80 = 107,382,862.80 : x
  2. Step 2: Convert to fraction form
    161,802,421.20/242,703,631.80 = 107,382,862.80/x
  3. Step 3: Cross multiply
    161,802,421.20x = 242,703,631.80 × 107,382,862.80
  4. Step 4: Simplify right side
    161,802,421.20x = 26,062,210,794,641,116
  5. Step 5: Solve for x
    x = 26,062,210,794,641,116/161,802,421.20
  6. Step 6: Final answer
    x = 161,074,294.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.