Home / 98,763,925.32-148,237,809.21-50,278,078.62

Finding the Fourth Proportional to 98,763,925.32, 148,237,809.21 and 50,278,078.62

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Solution

The fourth proportional to 98,763,925.32, 148,237,809.21 and 50,278,078.62 is: 75,463,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,763,925.32 : 148,237,809.21 = 50,278,078.62 : x
  2. Step 2: Convert to fraction form
    98,763,925.32/148,237,809.21 = 50,278,078.62/x
  3. Step 3: Cross multiply
    98,763,925.32x = 148,237,809.21 × 50,278,078.62
  4. Step 4: Simplify right side
    98,763,925.32x = 7,453,112,225,916,940
  5. Step 5: Solve for x
    x = 7,453,112,225,916,940/98,763,925.32
  6. Step 6: Final answer
    x = 75,463,912.58

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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.