Home / 247,898,516.85-371,801,526.38-100,307,398.94

Finding the Fourth Proportional to 247,898,516.85, 371,801,526.38 and 100,307,398.94

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Solution

The fourth proportional to 247,898,516.85, 371,801,526.38 and 100,307,398.94 is: 150,442,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,898,516.85 : 371,801,526.38 = 100,307,398.94 : x
  2. Step 2: Convert to fraction form
    247,898,516.85/371,801,526.38 = 100,307,398.94/x
  3. Step 3: Cross multiply
    247,898,516.85x = 371,801,526.38 × 100,307,398.94
  4. Step 4: Simplify right side
    247,898,516.85x = 37,294,444,030,739,048
  5. Step 5: Solve for x
    x = 37,294,444,030,739,048/247,898,516.85
  6. Step 6: Final answer
    x = 150,442,384.67

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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.