Home / 77,597,205.60-107,086,728.06-42,316,940.64

Finding the Fourth Proportional to 77,597,205.60, 107,086,728.06 and 42,316,940.64

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Solution

The fourth proportional to 77,597,205.60, 107,086,728.06 and 42,316,940.64 is: 58,398,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,597,205.60 : 107,086,728.06 = 42,316,940.64 : x
  2. Step 2: Convert to fraction form
    77,597,205.60/107,086,728.06 = 42,316,940.64/x
  3. Step 3: Cross multiply
    77,597,205.60x = 107,086,728.06 × 42,316,940.64
  4. Step 4: Simplify right side
    77,597,205.60x = 4,531,582,714,646,843
  5. Step 5: Solve for x
    x = 4,531,582,714,646,843/77,597,205.60
  6. Step 6: Final answer
    x = 58,398,787.43

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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.