Home / 216,013,730-298,003,952.10-126,660,065.56

Finding the Fourth Proportional to 216,013,730, 298,003,952.10 and 126,660,065.56

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Solution

The fourth proportional to 216,013,730, 298,003,952.10 and 126,660,065.56 is: 174,735,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,013,730 : 298,003,952.10 = 126,660,065.56 : x
  2. Step 2: Convert to fraction form
    216,013,730/298,003,952.10 = 126,660,065.56/x
  3. Step 3: Cross multiply
    216,013,730x = 298,003,952.10 × 126,660,065.56
  4. Step 4: Simplify right side
    216,013,730x = 37,745,200,110,125,104
  5. Step 5: Solve for x
    x = 37,745,200,110,125,104/216,013,730
  6. Step 6: Final answer
    x = 174,735,189.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.