Home / 78,380,630.92-108,005,889.83-60,631,752.10

Finding the Fourth Proportional to 78,380,630.92, 108,005,889.83 and 60,631,752.10

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Solution

The fourth proportional to 78,380,630.92, 108,005,889.83 and 60,631,752.10 is: 83,548,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,380,630.92 : 108,005,889.83 = 60,631,752.10 : x
  2. Step 2: Convert to fraction form
    78,380,630.92/108,005,889.83 = 60,631,752.10/x
  3. Step 3: Cross multiply
    78,380,630.92x = 108,005,889.83 × 60,631,752.10
  4. Step 4: Simplify right side
    78,380,630.92x = 6,548,586,336,939,297
  5. Step 5: Solve for x
    x = 6,548,586,336,939,297/78,380,630.92
  6. Step 6: Final answer
    x = 83,548,528.00

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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.