Home / 115,911,212.40-173,866,818.60-83,788,556.40

Finding the Fourth Proportional to 115,911,212.40, 173,866,818.60 and 83,788,556.40

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Solution

The fourth proportional to 115,911,212.40, 173,866,818.60 and 83,788,556.40 is: 125,682,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,212.40 : 173,866,818.60 = 83,788,556.40 : x
  2. Step 2: Convert to fraction form
    115,911,212.40/173,866,818.60 = 83,788,556.40/x
  3. Step 3: Cross multiply
    115,911,212.40x = 173,866,818.60 × 83,788,556.40
  4. Step 4: Simplify right side
    115,911,212.40x = 14,568,049,736,354,670
  5. Step 5: Solve for x
    x = 14,568,049,736,354,670/115,911,212.40
  6. Step 6: Final answer
    x = 125,682,834.60

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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.