Home / 100,399,236.56-150,662,562.16-42,891,940.32

Finding the Fourth Proportional to 100,399,236.56, 150,662,562.16 and 42,891,940.32

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Solution

The fourth proportional to 100,399,236.56, 150,662,562.16 and 42,891,940.32 is: 64,365,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,399,236.56 : 150,662,562.16 = 42,891,940.32 : x
  2. Step 2: Convert to fraction form
    100,399,236.56/150,662,562.16 = 42,891,940.32/x
  3. Step 3: Cross multiply
    100,399,236.56x = 150,662,562.16 × 42,891,940.32
  4. Step 4: Simplify right side
    100,399,236.56x = 6,462,209,624,625,010
  5. Step 5: Solve for x
    x = 6,462,209,624,625,010/100,399,236.56
  6. Step 6: Final answer
    x = 64,365,127.13

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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.