Home / 215,826,881.80-323,740,322.70-193,152,065.80

Finding the Fourth Proportional to 215,826,881.80, 323,740,322.70 and 193,152,065.80

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Solution

The fourth proportional to 215,826,881.80, 323,740,322.70 and 193,152,065.80 is: 289,728,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,826,881.80 : 323,740,322.70 = 193,152,065.80 : x
  2. Step 2: Convert to fraction form
    215,826,881.80/323,740,322.70 = 193,152,065.80/x
  3. Step 3: Cross multiply
    215,826,881.80x = 323,740,322.70 × 193,152,065.80
  4. Step 4: Simplify right side
    215,826,881.80x = 62,531,112,112,263,632
  5. Step 5: Solve for x
    x = 62,531,112,112,263,632/215,826,881.80
  6. Step 6: Final answer
    x = 289,728,098.70

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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.