Home / 215,596,714.32-323,265,784.98-98,865,837.70

Finding the Fourth Proportional to 215,596,714.32, 323,265,784.98 and 98,865,837.70

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Solution

The fourth proportional to 215,596,714.32, 323,265,784.98 and 98,865,837.70 is: 148,239,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,596,714.32 : 323,265,784.98 = 98,865,837.70 : x
  2. Step 2: Convert to fraction form
    215,596,714.32/323,265,784.98 = 98,865,837.70/x
  3. Step 3: Cross multiply
    215,596,714.32x = 323,265,784.98 × 98,865,837.70
  4. Step 4: Simplify right side
    215,596,714.32x = 31,959,942,631,795,780
  5. Step 5: Solve for x
    x = 31,959,942,631,795,780/215,596,714.32
  6. Step 6: Final answer
    x = 148,239,469.85

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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.