Home / 100,256,071.02-138,335,084.07-57,854,161.02

Finding the Fourth Proportional to 100,256,071.02, 138,335,084.07 and 57,854,161.02

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Solution

The fourth proportional to 100,256,071.02, 138,335,084.07 and 57,854,161.02 is: 79,828,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,256,071.02 : 138,335,084.07 = 57,854,161.02 : x
  2. Step 2: Convert to fraction form
    100,256,071.02/138,335,084.07 = 57,854,161.02/x
  3. Step 3: Cross multiply
    100,256,071.02x = 138,335,084.07 × 57,854,161.02
  4. Step 4: Simplify right side
    100,256,071.02x = 8,003,260,228,501,017
  5. Step 5: Solve for x
    x = 8,003,260,228,501,017/100,256,071.02
  6. Step 6: Final answer
    x = 79,828,185.44

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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.