Home / 100,916,985.50-151,410,607.94-31,840,454.42

Finding the Fourth Proportional to 100,916,985.50, 151,410,607.94 and 31,840,454.42

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Solution

The fourth proportional to 100,916,985.50, 151,410,607.94 and 31,840,454.42 is: 47,771,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,916,985.50 : 151,410,607.94 = 31,840,454.42 : x
  2. Step 2: Convert to fraction form
    100,916,985.50/151,410,607.94 = 31,840,454.42/x
  3. Step 3: Cross multiply
    100,916,985.50x = 151,410,607.94 × 31,840,454.42
  4. Step 4: Simplify right side
    100,916,985.50x = 4,820,982,560,818,060
  5. Step 5: Solve for x
    x = 4,820,982,560,818,060/100,916,985.50
  6. Step 6: Final answer
    x = 47,771,765.45

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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.