Home / 193,528,906.20-290,293,359.30-145,155,965.40

Finding the Fourth Proportional to 193,528,906.20, 290,293,359.30 and 145,155,965.40

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Solution

The fourth proportional to 193,528,906.20, 290,293,359.30 and 145,155,965.40 is: 217,733,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,528,906.20 : 290,293,359.30 = 145,155,965.40 : x
  2. Step 2: Convert to fraction form
    193,528,906.20/290,293,359.30 = 145,155,965.40/x
  3. Step 3: Cross multiply
    193,528,906.20x = 290,293,359.30 × 145,155,965.40
  4. Step 4: Simplify right side
    193,528,906.20x = 42,137,812,818,400,568
  5. Step 5: Solve for x
    x = 42,137,812,818,400,568/193,528,906.20
  6. Step 6: Final answer
    x = 217,733,948.10

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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.