Home / 107,890,137.80-161,835,206.70-107,218,291.40

Finding the Fourth Proportional to 107,890,137.80, 161,835,206.70 and 107,218,291.40

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Solution

The fourth proportional to 107,890,137.80, 161,835,206.70 and 107,218,291.40 is: 160,827,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890,137.80 : 161,835,206.70 = 107,218,291.40 : x
  2. Step 2: Convert to fraction form
    107,890,137.80/161,835,206.70 = 107,218,291.40/x
  3. Step 3: Cross multiply
    107,890,137.80x = 161,835,206.70 × 107,218,291.40
  4. Step 4: Simplify right side
    107,890,137.80x = 17,351,694,350,739,832
  5. Step 5: Solve for x
    x = 17,351,694,350,739,832/107,890,137.80
  6. Step 6: Final answer
    x = 160,827,437.10

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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.