Home / 131,562,163.68-181,553,586.96-72,823,568.64

Finding the Fourth Proportional to 131,562,163.68, 181,553,586.96 and 72,823,568.64

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Solution

The fourth proportional to 131,562,163.68, 181,553,586.96 and 72,823,568.64 is: 100,495,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,562,163.68 : 181,553,586.96 = 72,823,568.64 : x
  2. Step 2: Convert to fraction form
    131,562,163.68/181,553,586.96 = 72,823,568.64/x
  3. Step 3: Cross multiply
    131,562,163.68x = 181,553,586.96 × 72,823,568.64
  4. Step 4: Simplify right side
    131,562,163.68x = 13,221,380,101,819,770
  5. Step 5: Solve for x
    x = 13,221,380,101,819,770/131,562,163.68
  6. Step 6: Final answer
    x = 100,495,307.56

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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.