Home / 128,975,234.38-193,457,447.58-41,534,815.89

Finding the Fourth Proportional to 128,975,234.38, 193,457,447.58 and 41,534,815.89

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Solution

The fourth proportional to 128,975,234.38, 193,457,447.58 and 41,534,815.89 is: 62,300,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,975,234.38 : 193,457,447.58 = 41,534,815.89 : x
  2. Step 2: Convert to fraction form
    128,975,234.38/193,457,447.58 = 41,534,815.89/x
  3. Step 3: Cross multiply
    128,975,234.38x = 193,457,447.58 × 41,534,815.89
  4. Step 4: Simplify right side
    128,975,234.38x = 8,035,219,468,043,707
  5. Step 5: Solve for x
    x = 8,035,219,468,043,707/128,975,234.38
  6. Step 6: Final answer
    x = 62,300,483.55

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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.