Home / 265,721,269.80-398,581,904.70-149,016,826.20

Finding the Fourth Proportional to 265,721,269.80, 398,581,904.70 and 149,016,826.20

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Solution

The fourth proportional to 265,721,269.80, 398,581,904.70 and 149,016,826.20 is: 223,525,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,269.80 : 398,581,904.70 = 149,016,826.20 : x
  2. Step 2: Convert to fraction form
    265,721,269.80/398,581,904.70 = 149,016,826.20/x
  3. Step 3: Cross multiply
    265,721,269.80x = 398,581,904.70 × 149,016,826.20
  4. Step 4: Simplify right side
    265,721,269.80x = 59,395,410,419,144,856
  5. Step 5: Solve for x
    x = 59,395,410,419,144,856/265,721,269.80
  6. Step 6: Final answer
    x = 223,525,239.30

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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.