Home / 84,743,151.40-127,114,727.10-28,009,455.40

Finding the Fourth Proportional to 84,743,151.40, 127,114,727.10 and 28,009,455.40

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Solution

The fourth proportional to 84,743,151.40, 127,114,727.10 and 28,009,455.40 is: 42,014,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743,151.40 : 127,114,727.10 = 28,009,455.40 : x
  2. Step 2: Convert to fraction form
    84,743,151.40/127,114,727.10 = 28,009,455.40/x
  3. Step 3: Cross multiply
    84,743,151.40x = 127,114,727.10 × 28,009,455.40
  4. Step 4: Simplify right side
    84,743,151.40x = 3,560,414,279,390,621
  5. Step 5: Solve for x
    x = 3,560,414,279,390,621/84,743,151.40
  6. Step 6: Final answer
    x = 42,014,183.10

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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.