Home / 129,180,735,264.24-193,770,289,791.72-69,517,501,661.34

Finding the Fourth Proportional to 129,180,735,264.24, 193,770,289,791.72 and 69,517,501,661.34

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Solution

The fourth proportional to 129,180,735,264.24, 193,770,289,791.72 and 69,517,501,661.34 is: 104,275,814,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,180,735,264.24 : 193,770,289,791.72 = 69,517,501,661.34 : x
  2. Step 2: Convert to fraction form
    129,180,735,264.24/193,770,289,791.72 = 69,517,501,661.34/x
  3. Step 3: Cross multiply
    129,180,735,264.24x = 193,770,289,791.72 × 69,517,501,661.34
  4. Step 4: Simplify right side
    129,180,735,264.24x = 13,470,426,442,514,227,527,680
  5. Step 5: Solve for x
    x = 13,470,426,442,514,227,527,680/129,180,735,264.24
  6. Step 6: Final answer
    x = 104,275,814,926.74

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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.