Home / 250,415,999.20-375,623,998.80-68,662,885.60

Finding the Fourth Proportional to 250,415,999.20, 375,623,998.80 and 68,662,885.60

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Solution

The fourth proportional to 250,415,999.20, 375,623,998.80 and 68,662,885.60 is: 102,994,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,415,999.20 : 375,623,998.80 = 68,662,885.60 : x
  2. Step 2: Convert to fraction form
    250,415,999.20/375,623,998.80 = 68,662,885.60/x
  3. Step 3: Cross multiply
    250,415,999.20x = 375,623,998.80 × 68,662,885.60
  4. Step 4: Simplify right side
    250,415,999.20x = 25,791,427,658,218,936
  5. Step 5: Solve for x
    x = 25,791,427,658,218,936/250,415,999.20
  6. Step 6: Final answer
    x = 102,994,328.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.