Home / 74,640,079.68-111,913,930.07-29,148,380.16

Finding the Fourth Proportional to 74,640,079.68, 111,913,930.07 and 29,148,380.16

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Solution

The fourth proportional to 74,640,079.68, 111,913,930.07 and 29,148,380.16 is: 43,704,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640,079.68 : 111,913,930.07 = 29,148,380.16 : x
  2. Step 2: Convert to fraction form
    74,640,079.68/111,913,930.07 = 29,148,380.16/x
  3. Step 3: Cross multiply
    74,640,079.68x = 111,913,930.07 × 29,148,380.16
  4. Step 4: Simplify right side
    74,640,079.68x = 3,262,109,778,423,902.50
  5. Step 5: Solve for x
    x = 3,262,109,778,423,902.50/74,640,079.68
  6. Step 6: Final answer
    x = 43,704,532.37

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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.