Home / 265,761,205.20-398,641,807.80-173,928,200.40

Finding the Fourth Proportional to 265,761,205.20, 398,641,807.80 and 173,928,200.40

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Solution

The fourth proportional to 265,761,205.20, 398,641,807.80 and 173,928,200.40 is: 260,892,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,761,205.20 : 398,641,807.80 = 173,928,200.40 : x
  2. Step 2: Convert to fraction form
    265,761,205.20/398,641,807.80 = 173,928,200.40/x
  3. Step 3: Cross multiply
    265,761,205.20x = 398,641,807.80 × 173,928,200.40
  4. Step 4: Simplify right side
    265,761,205.20x = 69,335,052,234,856,688
  5. Step 5: Solve for x
    x = 69,335,052,234,856,688/265,761,205.20
  6. Step 6: Final answer
    x = 260,892,300.60

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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.