Home / 120,784,480.20-181,035,002.70-51,697,150.20

Finding the Fourth Proportional to 120,784,480.20, 181,035,002.70 and 51,697,150.20

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Solution

The fourth proportional to 120,784,480.20, 181,035,002.70 and 51,697,150.20 is: 77,485,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,784,480.20 : 181,035,002.70 = 51,697,150.20 : x
  2. Step 2: Convert to fraction form
    120,784,480.20/181,035,002.70 = 51,697,150.20/x
  3. Step 3: Cross multiply
    120,784,480.20x = 181,035,002.70 × 51,697,150.20
  4. Step 4: Simplify right side
    120,784,480.20x = 9,358,993,726,039,306
  5. Step 5: Solve for x
    x = 9,358,993,726,039,306/120,784,480.20
  6. Step 6: Final answer
    x = 77,485,068.53

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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.