Home / 199,686,742.76-275,595,080.10-114,912,119.48

Finding the Fourth Proportional to 199,686,742.76, 275,595,080.10 and 114,912,119.48

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Solution

The fourth proportional to 199,686,742.76, 275,595,080.10 and 114,912,119.48 is: 158,594,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,686,742.76 : 275,595,080.10 = 114,912,119.48 : x
  2. Step 2: Convert to fraction form
    199,686,742.76/275,595,080.10 = 114,912,119.48/x
  3. Step 3: Cross multiply
    199,686,742.76x = 275,595,080.10 × 114,912,119.48
  4. Step 4: Simplify right side
    199,686,742.76x = 31,669,214,772,551,376
  5. Step 5: Solve for x
    x = 31,669,214,772,551,376/199,686,742.76
  6. Step 6: Final answer
    x = 158,594,478.21

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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.