Home / 84,498,913.40-126,748,370.10-65,367,037.40

Finding the Fourth Proportional to 84,498,913.40, 126,748,370.10 and 65,367,037.40

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Solution

The fourth proportional to 84,498,913.40, 126,748,370.10 and 65,367,037.40 is: 98,050,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,498,913.40 : 126,748,370.10 = 65,367,037.40 : x
  2. Step 2: Convert to fraction form
    84,498,913.40/126,748,370.10 = 65,367,037.40/x
  3. Step 3: Cross multiply
    84,498,913.40x = 126,748,370.10 × 65,367,037.40
  4. Step 4: Simplify right side
    84,498,913.40x = 8,285,165,448,715,741
  5. Step 5: Solve for x
    x = 8,285,165,448,715,741/84,498,913.40
  6. Step 6: Final answer
    x = 98,050,556.10

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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.