Home / 109,360,829.60-163,820,794.80-68,294,218.40

Finding the Fourth Proportional to 109,360,829.60, 163,820,794.80 and 68,294,218.40

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Solution

The fourth proportional to 109,360,829.60, 163,820,794.80 and 68,294,218.40 is: 102,303,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360,829.60 : 163,820,794.80 = 68,294,218.40 : x
  2. Step 2: Convert to fraction form
    109,360,829.60/163,820,794.80 = 68,294,218.40/x
  3. Step 3: Cross multiply
    109,360,829.60x = 163,820,794.80 × 68,294,218.40
  4. Step 4: Simplify right side
    109,360,829.60x = 11,188,013,138,532,786
  5. Step 5: Solve for x
    x = 11,188,013,138,532,786/109,360,829.60
  6. Step 6: Final answer
    x = 102,303,660.09

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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.