Home / 110,591,999.20-165,887,998.80-70,248,037.60

Finding the Fourth Proportional to 110,591,999.20, 165,887,998.80 and 70,248,037.60

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Solution

The fourth proportional to 110,591,999.20, 165,887,998.80 and 70,248,037.60 is: 105,372,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,591,999.20 : 165,887,998.80 = 70,248,037.60 : x
  2. Step 2: Convert to fraction form
    110,591,999.20/165,887,998.80 = 70,248,037.60/x
  3. Step 3: Cross multiply
    110,591,999.20x = 165,887,998.80 × 70,248,037.60
  4. Step 4: Simplify right side
    110,591,999.20x = 11,653,306,377,091,154
  5. Step 5: Solve for x
    x = 11,653,306,377,091,154/110,591,999.20
  6. Step 6: Final answer
    x = 105,372,056.40

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1.5x scale

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.