Home / 280,627,497.32-420,934,160.07-76,150,258.16

Finding the Fourth Proportional to 280,627,497.32, 420,934,160.07 and 76,150,258.16

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Solution

The fourth proportional to 280,627,497.32, 420,934,160.07 and 76,150,258.16 is: 114,223,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,627,497.32 : 420,934,160.07 = 76,150,258.16 : x
  2. Step 2: Convert to fraction form
    280,627,497.32/420,934,160.07 = 76,150,258.16/x
  3. Step 3: Cross multiply
    280,627,497.32x = 420,934,160.07 × 76,150,258.16
  4. Step 4: Simplify right side
    280,627,497.32x = 32,054,244,955,588,592
  5. Step 5: Solve for x
    x = 32,054,244,955,588,592/280,627,497.32
  6. Step 6: Final answer
    x = 114,223,464.42

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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.