Home / 113,514,916,082.82-156,576,772,379.21-72,805,346,175.51

Finding the Fourth Proportional to 113,514,916,082.82, 156,576,772,379.21 and 72,805,346,175.51

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Solution

The fourth proportional to 113,514,916,082.82, 156,576,772,379.21 and 72,805,346,175.51 is: 100,424,036,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,514,916,082.82 : 156,576,772,379.21 = 72,805,346,175.51 : x
  2. Step 2: Convert to fraction form
    113,514,916,082.82/156,576,772,379.21 = 72,805,346,175.51/x
  3. Step 3: Cross multiply
    113,514,916,082.82x = 156,576,772,379.21 × 72,805,346,175.51
  4. Step 4: Simplify right side
    113,514,916,082.82x = 11,399,626,116,112,414,932,992
  5. Step 5: Solve for x
    x = 11,399,626,116,112,414,932,992/113,514,916,082.82
  6. Step 6: Final answer
    x = 100,424,036,853.41

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1.5x scale

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.