Home / 99,100,511.20-148,650,766.80-64,663,134.40

Finding the Fourth Proportional to 99,100,511.20, 148,650,766.80 and 64,663,134.40

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Solution

The fourth proportional to 99,100,511.20, 148,650,766.80 and 64,663,134.40 is: 96,994,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100,511.20 : 148,650,766.80 = 64,663,134.40 : x
  2. Step 2: Convert to fraction form
    99,100,511.20/148,650,766.80 = 64,663,134.40/x
  3. Step 3: Cross multiply
    99,100,511.20x = 148,650,766.80 × 64,663,134.40
  4. Step 4: Simplify right side
    99,100,511.20x = 9,612,224,512,251,458
  5. Step 5: Solve for x
    x = 9,612,224,512,251,458/99,100,511.20
  6. Step 6: Final answer
    x = 96,994,701.60

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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.