Home / 215,922,384.12-323,623,357.78-99,176,639.02

Finding the Fourth Proportional to 215,922,384.12, 323,623,357.78 and 99,176,639.02

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Solution

The fourth proportional to 215,922,384.12, 323,623,357.78 and 99,176,639.02 is: 148,645,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,922,384.12 : 323,623,357.78 = 99,176,639.02 : x
  2. Step 2: Convert to fraction form
    215,922,384.12/323,623,357.78 = 99,176,639.02/x
  3. Step 3: Cross multiply
    215,922,384.12x = 323,623,357.78 × 99,176,639.02
  4. Step 4: Simplify right side
    215,922,384.12x = 32,095,876,932,987,364
  5. Step 5: Solve for x
    x = 32,095,876,932,987,364/215,922,384.12
  6. Step 6: Final answer
    x = 148,645,436.02

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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.