Home / 78,413,493.76-117,514,258.08-29,864,863.60

Finding the Fourth Proportional to 78,413,493.76, 117,514,258.08 and 29,864,863.60

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Solution

The fourth proportional to 78,413,493.76, 117,514,258.08 and 29,864,863.60 is: 44,756,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,413,493.76 : 117,514,258.08 = 29,864,863.60 : x
  2. Step 2: Convert to fraction form
    78,413,493.76/117,514,258.08 = 29,864,863.60/x
  3. Step 3: Cross multiply
    78,413,493.76x = 117,514,258.08 × 29,864,863.60
  4. Step 4: Simplify right side
    78,413,493.76x = 3,509,547,288,614,398
  5. Step 5: Solve for x
    x = 3,509,547,288,614,398/78,413,493.76
  6. Step 6: Final answer
    x = 44,756,930.48

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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.