Home / 79,775,652.60-119,757,957.30-45,259,543.80

Finding the Fourth Proportional to 79,775,652.60, 119,757,957.30 and 45,259,543.80

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Solution

The fourth proportional to 79,775,652.60, 119,757,957.30 and 45,259,543.80 is: 67,942,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775,652.60 : 119,757,957.30 = 45,259,543.80 : x
  2. Step 2: Convert to fraction form
    79,775,652.60/119,757,957.30 = 45,259,543.80/x
  3. Step 3: Cross multiply
    79,775,652.60x = 119,757,957.30 × 45,259,543.80
  4. Step 4: Simplify right side
    79,775,652.60x = 5,420,190,513,817,879
  5. Step 5: Solve for x
    x = 5,420,190,513,817,879/79,775,652.60
  6. Step 6: Final answer
    x = 67,942,916.63

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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.