Home / 347,579,139-521,435,847.06-132,151,636.92

Finding the Fourth Proportional to 347,579,139, 521,435,847.06 and 132,151,636.92

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Solution

The fourth proportional to 347,579,139, 521,435,847.06 and 132,151,636.92 is: 198,252,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,579,139 : 521,435,847.06 = 132,151,636.92 : x
  2. Step 2: Convert to fraction form
    347,579,139/521,435,847.06 = 132,151,636.92/x
  3. Step 3: Cross multiply
    347,579,139x = 521,435,847.06 × 132,151,636.92
  4. Step 4: Simplify right side
    347,579,139x = 68,908,600,737,745,768
  5. Step 5: Solve for x
    x = 68,908,600,737,745,768/347,579,139
  6. Step 6: Final answer
    x = 198,252,981.86

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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.