Home / 198,341,852.32-273,744,241.68-165,249,621.28

Finding the Fourth Proportional to 198,341,852.32, 273,744,241.68 and 165,249,621.28

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Solution

The fourth proportional to 198,341,852.32, 273,744,241.68 and 165,249,621.28 is: 228,071,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,341,852.32 : 273,744,241.68 = 165,249,621.28 : x
  2. Step 2: Convert to fraction form
    198,341,852.32/273,744,241.68 = 165,249,621.28/x
  3. Step 3: Cross multiply
    198,341,852.32x = 273,744,241.68 × 165,249,621.28
  4. Step 4: Simplify right side
    198,341,852.32x = 45,236,132,265,200,792
  5. Step 5: Solve for x
    x = 45,236,132,265,200,792/198,341,852.32
  6. Step 6: Final answer
    x = 228,071,542.82

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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.