Home / 119,591,697.60-179,600,122.80-87,280,084.80

Finding the Fourth Proportional to 119,591,697.60, 179,600,122.80 and 87,280,084.80

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Solution

The fourth proportional to 119,591,697.60, 179,600,122.80 and 87,280,084.80 is: 131,075,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,591,697.60 : 179,600,122.80 = 87,280,084.80 : x
  2. Step 2: Convert to fraction form
    119,591,697.60/179,600,122.80 = 87,280,084.80/x
  3. Step 3: Cross multiply
    119,591,697.60x = 179,600,122.80 × 87,280,084.80
  4. Step 4: Simplify right side
    119,591,697.60x = 15,675,513,948,074,414
  5. Step 5: Solve for x
    x = 15,675,513,948,074,414/119,591,697.60
  6. Step 6: Final answer
    x = 131,075,269.13

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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.