Home / 99,100,512.20-148,650,768.30-64,663,135.40

Finding the Fourth Proportional to 99,100,512.20, 148,650,768.30 and 64,663,135.40

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Solution

The fourth proportional to 99,100,512.20, 148,650,768.30 and 64,663,135.40 is: 96,994,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100,512.20 : 148,650,768.30 = 64,663,135.40 : x
  2. Step 2: Convert to fraction form
    99,100,512.20/148,650,768.30 = 64,663,135.40/x
  3. Step 3: Cross multiply
    99,100,512.20x = 148,650,768.30 × 64,663,135.40
  4. Step 4: Simplify right side
    99,100,512.20x = 9,612,224,757,896,928
  5. Step 5: Solve for x
    x = 9,612,224,757,896,928/99,100,512.20
  6. Step 6: Final answer
    x = 96,994,703.10

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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.