Home / 102,685,719.69-141,690,620.31-58,015,392.60

Finding the Fourth Proportional to 102,685,719.69, 141,690,620.31 and 58,015,392.60

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Solution

The fourth proportional to 102,685,719.69, 141,690,620.31 and 58,015,392.60 is: 80,052,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,685,719.69 : 141,690,620.31 = 58,015,392.60 : x
  2. Step 2: Convert to fraction form
    102,685,719.69/141,690,620.31 = 58,015,392.60/x
  3. Step 3: Cross multiply
    102,685,719.69x = 141,690,620.31 × 58,015,392.60
  4. Step 4: Simplify right side
    102,685,719.69x = 8,220,236,965,022,184
  5. Step 5: Solve for x
    x = 8,220,236,965,022,184/102,685,719.69
  6. Step 6: Final answer
    x = 80,052,386.93

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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.