Home / 106,403,678.20-159,476,119.47-75,288,300.10

Finding the Fourth Proportional to 106,403,678.20, 159,476,119.47 and 75,288,300.10

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Solution

The fourth proportional to 106,403,678.20, 159,476,119.47 and 75,288,300.10 is: 112,840,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403,678.20 : 159,476,119.47 = 75,288,300.10 : x
  2. Step 2: Convert to fraction form
    106,403,678.20/159,476,119.47 = 75,288,300.10/x
  3. Step 3: Cross multiply
    106,403,678.20x = 159,476,119.47 × 75,288,300.10
  4. Step 4: Simplify right side
    106,403,678.20x = 12,006,685,941,440,812
  5. Step 5: Solve for x
    x = 12,006,685,941,440,812/106,403,678.20
  6. Step 6: Final answer
    x = 112,840,891.82

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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.