Home / 137,515,807.13-189,775,404.03-75,637,769.54

Finding the Fourth Proportional to 137,515,807.13, 189,775,404.03 and 75,637,769.54

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Solution

The fourth proportional to 137,515,807.13, 189,775,404.03 and 75,637,769.54 is: 104,382,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,515,807.13 : 189,775,404.03 = 75,637,769.54 : x
  2. Step 2: Convert to fraction form
    137,515,807.13/189,775,404.03 = 75,637,769.54/x
  3. Step 3: Cross multiply
    137,515,807.13x = 189,775,404.03 × 75,637,769.54
  4. Step 4: Simplify right side
    137,515,807.13x = 14,354,188,273,432,650
  5. Step 5: Solve for x
    x = 14,354,188,273,432,650/137,515,807.13
  6. Step 6: Final answer
    x = 104,382,096.67

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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.