Home / 390,207,552.44-585,311,581.40-99,096,507.32

Finding the Fourth Proportional to 390,207,552.44, 585,311,581.40 and 99,096,507.32

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Solution

The fourth proportional to 390,207,552.44, 585,311,581.40 and 99,096,507.32 is: 148,644,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,207,552.44 : 585,311,581.40 = 99,096,507.32 : x
  2. Step 2: Convert to fraction form
    390,207,552.44/585,311,581.40 = 99,096,507.32/x
  3. Step 3: Cross multiply
    390,207,552.44x = 585,311,581.40 × 99,096,507.32
  4. Step 4: Simplify right side
    390,207,552.44x = 58,002,333,410,685,872
  5. Step 5: Solve for x
    x = 58,002,333,410,685,872/390,207,552.44
  6. Step 6: Final answer
    x = 148,644,825.17

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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.