Home / 130,913,783.92-196,399,414.86-38,804,626.63

Finding the Fourth Proportional to 130,913,783.92, 196,399,414.86 and 38,804,626.63

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Solution

The fourth proportional to 130,913,783.92, 196,399,414.86 and 38,804,626.63 is: 58,215,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,913,783.92 : 196,399,414.86 = 38,804,626.63 : x
  2. Step 2: Convert to fraction form
    130,913,783.92/196,399,414.86 = 38,804,626.63/x
  3. Step 3: Cross multiply
    130,913,783.92x = 196,399,414.86 × 38,804,626.63
  4. Step 4: Simplify right side
    130,913,783.92x = 7,621,205,963,992,775
  5. Step 5: Solve for x
    x = 7,621,205,963,992,775/130,913,783.92
  6. Step 6: Final answer
    x = 58,215,458.57

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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.