Home / 134,857,706.22-186,103,634.76-72,978,044.76

Finding the Fourth Proportional to 134,857,706.22, 186,103,634.76 and 72,978,044.76

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Solution

The fourth proportional to 134,857,706.22, 186,103,634.76 and 72,978,044.76 is: 100,709,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,706.22 : 186,103,634.76 = 72,978,044.76 : x
  2. Step 2: Convert to fraction form
    134,857,706.22/186,103,634.76 = 72,978,044.76/x
  3. Step 3: Cross multiply
    134,857,706.22x = 186,103,634.76 × 72,978,044.76
  4. Step 4: Simplify right side
    134,857,706.22x = 13,581,479,387,513,972
  5. Step 5: Solve for x
    x = 13,581,479,387,513,972/134,857,706.22
  6. Step 6: Final answer
    x = 100,709,701.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.