Home / 83,778,932.52-115,615,990.88-46,106,433.92

Finding the Fourth Proportional to 83,778,932.52, 115,615,990.88 and 46,106,433.92

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Solution

The fourth proportional to 83,778,932.52, 115,615,990.88 and 46,106,433.92 is: 63,627,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,778,932.52 : 115,615,990.88 = 46,106,433.92 : x
  2. Step 2: Convert to fraction form
    83,778,932.52/115,615,990.88 = 46,106,433.92/x
  3. Step 3: Cross multiply
    83,778,932.52x = 115,615,990.88 × 46,106,433.92
  4. Step 4: Simplify right side
    83,778,932.52x = 5,330,641,043,141,228
  5. Step 5: Solve for x
    x = 5,330,641,043,141,228/83,778,932.52
  6. Step 6: Final answer
    x = 63,627,464.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.