Home / 199,863,947.20-299,348,023.20-164,032,139.20

Finding the Fourth Proportional to 199,863,947.20, 299,348,023.20 and 164,032,139.20

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Solution

The fourth proportional to 199,863,947.20, 299,348,023.20 and 164,032,139.20 is: 245,680,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,863,947.20 : 299,348,023.20 = 164,032,139.20 : x
  2. Step 2: Convert to fraction form
    199,863,947.20/299,348,023.20 = 164,032,139.20/x
  3. Step 3: Cross multiply
    199,863,947.20x = 299,348,023.20 × 164,032,139.20
  4. Step 4: Simplify right side
    199,863,947.20x = 49,102,696,610,787,224
  5. Step 5: Solve for x
    x = 49,102,696,610,787,224/199,863,947.20
  6. Step 6: Final answer
    x = 245,680,610.73

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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.