Home / 219,136,541.80-328,704,812.70-105,890,333.80

Finding the Fourth Proportional to 219,136,541.80, 328,704,812.70 and 105,890,333.80

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Solution

The fourth proportional to 219,136,541.80, 328,704,812.70 and 105,890,333.80 is: 158,835,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,136,541.80 : 328,704,812.70 = 105,890,333.80 : x
  2. Step 2: Convert to fraction form
    219,136,541.80/328,704,812.70 = 105,890,333.80/x
  3. Step 3: Cross multiply
    219,136,541.80x = 328,704,812.70 × 105,890,333.80
  4. Step 4: Simplify right side
    219,136,541.80x = 34,806,662,338,469,476
  5. Step 5: Solve for x
    x = 34,806,662,338,469,476/219,136,541.80
  6. Step 6: Final answer
    x = 158,835,500.70

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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.