Home / 154,556,622.70-231,834,934.05-82,893,006.70

Finding the Fourth Proportional to 154,556,622.70, 231,834,934.05 and 82,893,006.70

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Solution

The fourth proportional to 154,556,622.70, 231,834,934.05 and 82,893,006.70 is: 124,339,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,622.70 : 231,834,934.05 = 82,893,006.70 : x
  2. Step 2: Convert to fraction form
    154,556,622.70/231,834,934.05 = 82,893,006.70/x
  3. Step 3: Cross multiply
    154,556,622.70x = 231,834,934.05 × 82,893,006.70
  4. Step 4: Simplify right side
    154,556,622.70x = 19,217,494,741,500,708
  5. Step 5: Solve for x
    x = 19,217,494,741,500,708/154,556,622.70
  6. Step 6: Final answer
    x = 124,339,510.05

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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.