Home / 77,903,863-107,510,496.42-43,095,953.32

Finding the Fourth Proportional to 77,903,863, 107,510,496.42 and 43,095,953.32

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Solution

The fourth proportional to 77,903,863, 107,510,496.42 and 43,095,953.32 is: 59,474,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,903,863 : 107,510,496.42 = 43,095,953.32 : x
  2. Step 2: Convert to fraction form
    77,903,863/107,510,496.42 = 43,095,953.32/x
  3. Step 3: Cross multiply
    77,903,863x = 107,510,496.42 × 43,095,953.32
  4. Step 4: Simplify right side
    77,903,863x = 4,633,267,335,126,347
  5. Step 5: Solve for x
    x = 4,633,267,335,126,347/77,903,863
  6. Step 6: Final answer
    x = 59,474,166.71

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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.