Home / 72,073,406.05-108,124,018.43-23,538,211.72

Finding the Fourth Proportional to 72,073,406.05, 108,124,018.43 and 23,538,211.72

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Solution

The fourth proportional to 72,073,406.05, 108,124,018.43 and 23,538,211.72 is: 35,311,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073,406.05 : 108,124,018.43 = 23,538,211.72 : x
  2. Step 2: Convert to fraction form
    72,073,406.05/108,124,018.43 = 23,538,211.72/x
  3. Step 3: Cross multiply
    72,073,406.05x = 108,124,018.43 × 23,538,211.72
  4. Step 4: Simplify right side
    72,073,406.05x = 2,545,046,037,434,521
  5. Step 5: Solve for x
    x = 2,545,046,037,434,521/72,073,406.05
  6. Step 6: Final answer
    x = 35,311,860.19

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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.