Home / 314,063,462.56-433,410,785.70-172,947,805.62

Finding the Fourth Proportional to 314,063,462.56, 433,410,785.70 and 172,947,805.62

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Solution

The fourth proportional to 314,063,462.56, 433,410,785.70 and 172,947,805.62 is: 238,669,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,063,462.56 : 433,410,785.70 = 172,947,805.62 : x
  2. Step 2: Convert to fraction form
    314,063,462.56/433,410,785.70 = 172,947,805.62/x
  3. Step 3: Cross multiply
    314,063,462.56x = 433,410,785.70 × 172,947,805.62
  4. Step 4: Simplify right side
    314,063,462.56x = 74,957,444,318,855,072
  5. Step 5: Solve for x
    x = 74,957,444,318,855,072/314,063,462.56
  6. Step 6: Final answer
    x = 238,669,737.98

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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.