Home / 219,136,507.30-328,704,760.95-105,890,299.30

Finding the Fourth Proportional to 219,136,507.30, 328,704,760.95 and 105,890,299.30

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Solution

The fourth proportional to 219,136,507.30, 328,704,760.95 and 105,890,299.30 is: 158,835,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,136,507.30 : 328,704,760.95 = 105,890,299.30 : x
  2. Step 2: Convert to fraction form
    219,136,507.30/328,704,760.95 = 105,890,299.30/x
  3. Step 3: Cross multiply
    219,136,507.30x = 328,704,760.95 × 105,890,299.30
  4. Step 4: Simplify right side
    219,136,507.30x = 34,806,645,518,330,452
  5. Step 5: Solve for x
    x = 34,806,645,518,330,452/219,136,507.30
  6. Step 6: Final answer
    x = 158,835,448.95

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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.