Home / 100,998,575.60-139,380,771.48-61,839,607.28

Finding the Fourth Proportional to 100,998,575.60, 139,380,771.48 and 61,839,607.28

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Solution

The fourth proportional to 100,998,575.60, 139,380,771.48 and 61,839,607.28 is: 85,340,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998,575.60 : 139,380,771.48 = 61,839,607.28 : x
  2. Step 2: Convert to fraction form
    100,998,575.60/139,380,771.48 = 61,839,607.28/x
  3. Step 3: Cross multiply
    100,998,575.60x = 139,380,771.48 × 61,839,607.28
  4. Step 4: Simplify right side
    100,998,575.60x = 8,619,252,170,706,624
  5. Step 5: Solve for x
    x = 8,619,252,170,706,624/100,998,575.60
  6. Step 6: Final answer
    x = 85,340,333.96

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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.