Home / 119,591,703.60-179,600,131.80-87,280,090.80

Finding the Fourth Proportional to 119,591,703.60, 179,600,131.80 and 87,280,090.80

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Solution

The fourth proportional to 119,591,703.60, 179,600,131.80 and 87,280,090.80 is: 131,075,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,591,703.60 : 179,600,131.80 = 87,280,090.80 : x
  2. Step 2: Convert to fraction form
    119,591,703.60/179,600,131.80 = 87,280,090.80/x
  3. Step 3: Cross multiply
    119,591,703.60x = 179,600,131.80 × 87,280,090.80
  4. Step 4: Simplify right side
    119,591,703.60x = 15,675,515,811,195,968
  5. Step 5: Solve for x
    x = 15,675,515,811,195,968/119,591,703.60
  6. Step 6: Final answer
    x = 131,075,278.13

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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.