Home / 100,063,395.60-138,088,896.18-57,653,516.33

Finding the Fourth Proportional to 100,063,395.60, 138,088,896.18 and 57,653,516.33

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Solution

The fourth proportional to 100,063,395.60, 138,088,896.18 and 57,653,516.33 is: 79,562,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,063,395.60 : 138,088,896.18 = 57,653,516.33 : x
  2. Step 2: Convert to fraction form
    100,063,395.60/138,088,896.18 = 57,653,516.33/x
  3. Step 3: Cross multiply
    100,063,395.60x = 138,088,896.18 × 57,653,516.33
  4. Step 4: Simplify right side
    100,063,395.60x = 7,961,310,430,617,037
  5. Step 5: Solve for x
    x = 7,961,310,430,617,037/100,063,395.60
  6. Step 6: Final answer
    x = 79,562,665.08

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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.