Home / 107,890,239.80-161,835,359.70-107,218,393.40

Finding the Fourth Proportional to 107,890,239.80, 161,835,359.70 and 107,218,393.40

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Solution

The fourth proportional to 107,890,239.80, 161,835,359.70 and 107,218,393.40 is: 160,827,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890,239.80 : 161,835,359.70 = 107,218,393.40 : x
  2. Step 2: Convert to fraction form
    107,890,239.80/161,835,359.70 = 107,218,393.40/x
  3. Step 3: Cross multiply
    107,890,239.80x = 161,835,359.70 × 107,218,393.40
  4. Step 4: Simplify right side
    107,890,239.80x = 17,351,727,262,345,106
  5. Step 5: Solve for x
    x = 17,351,727,262,345,106/107,890,239.80
  6. Step 6: Final answer
    x = 160,827,590.10

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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.