Home / 77,903,857-107,510,488.14-43,095,947.32

Finding the Fourth Proportional to 77,903,857, 107,510,488.14 and 43,095,947.32

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Solution

The fourth proportional to 77,903,857, 107,510,488.14 and 43,095,947.32 is: 59,474,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,903,857 : 107,510,488.14 = 43,095,947.32 : x
  2. Step 2: Convert to fraction form
    77,903,857/107,510,488.14 = 43,095,947.32/x
  3. Step 3: Cross multiply
    77,903,857x = 107,510,488.14 × 43,095,947.32
  4. Step 4: Simplify right side
    77,903,857x = 4,633,266,333,228,925
  5. Step 5: Solve for x
    x = 4,633,266,333,228,925/77,903,857
  6. Step 6: Final answer
    x = 59,474,158.43

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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.