Home / 300,068,121.08-450,182,980.34-154,422,319.16

Finding the Fourth Proportional to 300,068,121.08, 450,182,980.34 and 154,422,319.16

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Solution

The fourth proportional to 300,068,121.08, 450,182,980.34 and 154,422,319.16 is: 231,675,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,068,121.08 : 450,182,980.34 = 154,422,319.16 : x
  2. Step 2: Convert to fraction form
    300,068,121.08/450,182,980.34 = 154,422,319.16/x
  3. Step 3: Cross multiply
    300,068,121.08x = 450,182,980.34 × 154,422,319.16
  4. Step 4: Simplify right side
    300,068,121.08x = 69,518,299,870,463,480
  5. Step 5: Solve for x
    x = 69,518,299,870,463,480/300,068,121.08
  6. Step 6: Final answer
    x = 231,675,059.72

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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.