Home / 96,780,939.60-145,171,409.40-48,407,998.80

Finding the Fourth Proportional to 96,780,939.60, 145,171,409.40 and 48,407,998.80

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Solution

The fourth proportional to 96,780,939.60, 145,171,409.40 and 48,407,998.80 is: 72,611,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780,939.60 : 145,171,409.40 = 48,407,998.80 : x
  2. Step 2: Convert to fraction form
    96,780,939.60/145,171,409.40 = 48,407,998.80/x
  3. Step 3: Cross multiply
    96,780,939.60x = 145,171,409.40 × 48,407,998.80
  4. Step 4: Simplify right side
    96,780,939.60x = 7,027,457,412,029,509
  5. Step 5: Solve for x
    x = 7,027,457,412,029,509/96,780,939.60
  6. Step 6: Final answer
    x = 72,611,998.20

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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.