Home / 199,591,090.95-299,610,585.23-154,353,433.35

Finding the Fourth Proportional to 199,591,090.95, 299,610,585.23 and 154,353,433.35

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Solution

The fourth proportional to 199,591,090.95, 299,610,585.23 and 154,353,433.35 is: 231,703,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,591,090.95 : 299,610,585.23 = 154,353,433.35 : x
  2. Step 2: Convert to fraction form
    199,591,090.95/299,610,585.23 = 154,353,433.35/x
  3. Step 3: Cross multiply
    199,591,090.95x = 299,610,585.23 × 154,353,433.35
  4. Step 4: Simplify right side
    199,591,090.95x = 46,245,922,497,481,536
  5. Step 5: Solve for x
    x = 46,245,922,497,481,536/199,591,090.95
  6. Step 6: Final answer
    x = 231,703,340.45

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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.