Home / 219,255,905.37-328,925,337.69-88,108,390.08

Finding the Fourth Proportional to 219,255,905.37, 328,925,337.69 and 88,108,390.08

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Solution

The fourth proportional to 219,255,905.37, 328,925,337.69 and 88,108,390.08 is: 132,179,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,255,905.37 : 328,925,337.69 = 88,108,390.08 : x
  2. Step 2: Convert to fraction form
    219,255,905.37/328,925,337.69 = 88,108,390.08/x
  3. Step 3: Cross multiply
    219,255,905.37x = 328,925,337.69 × 88,108,390.08
  4. Step 4: Simplify right side
    219,255,905.37x = 28,981,081,960,386,244
  5. Step 5: Solve for x
    x = 28,981,081,960,386,244/219,255,905.37
  6. Step 6: Final answer
    x = 132,179,253.79

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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.