Home / 115,910,556.60-173,865,834.90-103,817,321.40

Finding the Fourth Proportional to 115,910,556.60, 173,865,834.90 and 103,817,321.40

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Solution

The fourth proportional to 115,910,556.60, 173,865,834.90 and 103,817,321.40 is: 155,725,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910,556.60 : 173,865,834.90 = 103,817,321.40 : x
  2. Step 2: Convert to fraction form
    115,910,556.60/173,865,834.90 = 103,817,321.40/x
  3. Step 3: Cross multiply
    115,910,556.60x = 173,865,834.90 × 103,817,321.40
  4. Step 4: Simplify right side
    115,910,556.60x = 18,050,285,262,292,640
  5. Step 5: Solve for x
    x = 18,050,285,262,292,640/115,910,556.60
  6. Step 6: Final answer
    x = 155,725,982.10

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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.