Home / 102,519,145.20-153,778,717.80-30,715,561.20

Finding the Fourth Proportional to 102,519,145.20, 153,778,717.80 and 30,715,561.20

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Solution

The fourth proportional to 102,519,145.20, 153,778,717.80 and 30,715,561.20 is: 46,073,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,519,145.20 : 153,778,717.80 = 30,715,561.20 : x
  2. Step 2: Convert to fraction form
    102,519,145.20/153,778,717.80 = 30,715,561.20/x
  3. Step 3: Cross multiply
    102,519,145.20x = 153,778,717.80 × 30,715,561.20
  4. Step 4: Simplify right side
    102,519,145.20x = 4,723,399,617,843,430
  5. Step 5: Solve for x
    x = 4,723,399,617,843,430/102,519,145.20
  6. Step 6: Final answer
    x = 46,073,341.80

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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.