Home / 193,965,607.20-290,948,410.80-159,528,230.40

Finding the Fourth Proportional to 193,965,607.20, 290,948,410.80 and 159,528,230.40

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Solution

The fourth proportional to 193,965,607.20, 290,948,410.80 and 159,528,230.40 is: 239,292,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,965,607.20 : 290,948,410.80 = 159,528,230.40 : x
  2. Step 2: Convert to fraction form
    193,965,607.20/290,948,410.80 = 159,528,230.40/x
  3. Step 3: Cross multiply
    193,965,607.20x = 290,948,410.80 × 159,528,230.40
  4. Step 4: Simplify right side
    193,965,607.20x = 46,414,485,112,616,248
  5. Step 5: Solve for x
    x = 46,414,485,112,616,248/193,965,607.20
  6. Step 6: Final answer
    x = 239,292,345.60

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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.