Home / 265,725,019.80-398,587,529.70-149,020,576.20

Finding the Fourth Proportional to 265,725,019.80, 398,587,529.70 and 149,020,576.20

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Solution

The fourth proportional to 265,725,019.80, 398,587,529.70 and 149,020,576.20 is: 223,530,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,725,019.80 : 398,587,529.70 = 149,020,576.20 : x
  2. Step 2: Convert to fraction form
    265,725,019.80/398,587,529.70 = 149,020,576.20/x
  3. Step 3: Cross multiply
    265,725,019.80x = 398,587,529.70 × 149,020,576.20
  4. Step 4: Simplify right side
    265,725,019.80x = 59,397,743,342,028,608
  5. Step 5: Solve for x
    x = 59,397,743,342,028,608/265,725,019.80
  6. Step 6: Final answer
    x = 223,530,864.30

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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.