Home / 215,826,891.80-323,740,337.70-193,152,075.80

Finding the Fourth Proportional to 215,826,891.80, 323,740,337.70 and 193,152,075.80

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Solution

The fourth proportional to 215,826,891.80, 323,740,337.70 and 193,152,075.80 is: 289,728,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,826,891.80 : 323,740,337.70 = 193,152,075.80 : x
  2. Step 2: Convert to fraction form
    215,826,891.80/323,740,337.70 = 193,152,075.80/x
  3. Step 3: Cross multiply
    215,826,891.80x = 323,740,337.70 × 193,152,075.80
  4. Step 4: Simplify right side
    215,826,891.80x = 62,531,118,246,948,000
  5. Step 5: Solve for x
    x = 62,531,118,246,948,000/215,826,891.80
  6. Step 6: Final answer
    x = 289,728,113.70

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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.