Home / 99,939,115.96-137,919,746.16-55,886,015.44

Finding the Fourth Proportional to 99,939,115.96, 137,919,746.16 and 55,886,015.44

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Solution

The fourth proportional to 99,939,115.96, 137,919,746.16 and 55,886,015.44 is: 77,124,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,939,115.96 : 137,919,746.16 = 55,886,015.44 : x
  2. Step 2: Convert to fraction form
    99,939,115.96/137,919,746.16 = 55,886,015.44/x
  3. Step 3: Cross multiply
    99,939,115.96x = 137,919,746.16 × 55,886,015.44
  4. Step 4: Simplify right side
    99,939,115.96x = 7,707,785,063,378,640
  5. Step 5: Solve for x
    x = 7,707,785,063,378,640/99,939,115.96
  6. Step 6: Final answer
    x = 77,124,807.33

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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.