Home / 309,746,285.12-464,632,249.21-91,396,627.29

Finding the Fourth Proportional to 309,746,285.12, 464,632,249.21 and 91,396,627.29

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Solution

The fourth proportional to 309,746,285.12, 464,632,249.21 and 91,396,627.29 is: 137,098,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,746,285.12 : 464,632,249.21 = 91,396,627.29 : x
  2. Step 2: Convert to fraction form
    309,746,285.12/464,632,249.21 = 91,396,627.29/x
  3. Step 3: Cross multiply
    309,746,285.12x = 464,632,249.21 × 91,396,627.29
  4. Step 4: Simplify right side
    309,746,285.12x = 42,465,820,507,732,280
  5. Step 5: Solve for x
    x = 42,465,820,507,732,280/309,746,285.12
  6. Step 6: Final answer
    x = 137,098,724.17

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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.