Home / 115,208,438.23-172,783,893.83-45,192,898.05

Finding the Fourth Proportional to 115,208,438.23, 172,783,893.83 and 45,192,898.05

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Solution

The fourth proportional to 115,208,438.23, 172,783,893.83 and 45,192,898.05 is: 67,778,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,208,438.23 : 172,783,893.83 = 45,192,898.05 : x
  2. Step 2: Convert to fraction form
    115,208,438.23/172,783,893.83 = 45,192,898.05/x
  3. Step 3: Cross multiply
    115,208,438.23x = 172,783,893.83 × 45,192,898.05
  4. Step 4: Simplify right side
    115,208,438.23x = 7,808,604,897,667,310
  5. Step 5: Solve for x
    x = 7,808,604,897,667,310/115,208,438.23
  6. Step 6: Final answer
    x = 67,778,063.98

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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.