Home / 189,557,657.46-284,347,508.67-53,253,669.78

Finding the Fourth Proportional to 189,557,657.46, 284,347,508.67 and 53,253,669.78

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Solution

The fourth proportional to 189,557,657.46, 284,347,508.67 and 53,253,669.78 is: 79,883,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,557,657.46 : 284,347,508.67 = 53,253,669.78 : x
  2. Step 2: Convert to fraction form
    189,557,657.46/284,347,508.67 = 53,253,669.78/x
  3. Step 3: Cross multiply
    189,557,657.46x = 284,347,508.67 × 53,253,669.78
  4. Step 4: Simplify right side
    189,557,657.46x = 15,142,548,329,477,868
  5. Step 5: Solve for x
    x = 15,142,548,329,477,868/189,557,657.46
  6. Step 6: Final answer
    x = 79,883,601.29

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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.