Home / 219,287,835.09-328,973,231.25-88,140,319.56

Finding the Fourth Proportional to 219,287,835.09, 328,973,231.25 and 88,140,319.56

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Solution

The fourth proportional to 219,287,835.09, 328,973,231.25 and 88,140,319.56 is: 132,227,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,287,835.09 : 328,973,231.25 = 88,140,319.56 : x
  2. Step 2: Convert to fraction form
    219,287,835.09/328,973,231.25 = 88,140,319.56/x
  3. Step 3: Cross multiply
    219,287,835.09x = 328,973,231.25 × 88,140,319.56
  4. Step 4: Simplify right side
    219,287,835.09x = 28,995,805,729,060,780
  5. Step 5: Solve for x
    x = 28,995,805,729,060,780/219,287,835.09
  6. Step 6: Final answer
    x = 132,227,151.21

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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.