Home / 199,306,329.40-298,959,494.10-91,810,905.40

Finding the Fourth Proportional to 199,306,329.40, 298,959,494.10 and 91,810,905.40

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Solution

The fourth proportional to 199,306,329.40, 298,959,494.10 and 91,810,905.40 is: 137,716,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,306,329.40 : 298,959,494.10 = 91,810,905.40 : x
  2. Step 2: Convert to fraction form
    199,306,329.40/298,959,494.10 = 91,810,905.40/x
  3. Step 3: Cross multiply
    199,306,329.40x = 298,959,494.10 × 91,810,905.40
  4. Step 4: Simplify right side
    199,306,329.40x = 27,447,741,831,246,964
  5. Step 5: Solve for x
    x = 27,447,741,831,246,964/199,306,329.40
  6. Step 6: Final answer
    x = 137,716,358.10

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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.