Home / 30,282,643.20-45,360,979.20-25,243,795.20

Finding the Fourth Proportional to 30,282,643.20, 45,360,979.20 and 25,243,795.20

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Solution

The fourth proportional to 30,282,643.20, 45,360,979.20 and 25,243,795.20 is: 37,813,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282,643.20 : 45,360,979.20 = 25,243,795.20 : x
  2. Step 2: Convert to fraction form
    30,282,643.20/45,360,979.20 = 25,243,795.20/x
  3. Step 3: Cross multiply
    30,282,643.20x = 45,360,979.20 × 25,243,795.20
  4. Step 4: Simplify right side
    30,282,643.20x = 1,145,083,268,996,260
  5. Step 5: Solve for x
    x = 1,145,083,268,996,260/30,282,643.20
  6. Step 6: Final answer
    x = 37,813,187.62

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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.