Home / 91,029,519.36-125,610,419.52-53,860,939.20

Finding the Fourth Proportional to 91,029,519.36, 125,610,419.52 and 53,860,939.20

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Solution

The fourth proportional to 91,029,519.36, 125,610,419.52 and 53,860,939.20 is: 74,321,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029,519.36 : 125,610,419.52 = 53,860,939.20 : x
  2. Step 2: Convert to fraction form
    91,029,519.36/125,610,419.52 = 53,860,939.20/x
  3. Step 3: Cross multiply
    91,029,519.36x = 125,610,419.52 × 53,860,939.20
  4. Step 4: Simplify right side
    91,029,519.36x = 6,765,495,168,653,213
  5. Step 5: Solve for x
    x = 6,765,495,168,653,213/91,029,519.36
  6. Step 6: Final answer
    x = 74,321,991.55

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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.