Home / 85,897,971.18-128,830,327.65-33,375,552.57

Finding the Fourth Proportional to 85,897,971.18, 128,830,327.65 and 33,375,552.57

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Solution

The fourth proportional to 85,897,971.18, 128,830,327.65 and 33,375,552.57 is: 50,056,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,897,971.18 : 128,830,327.65 = 33,375,552.57 : x
  2. Step 2: Convert to fraction form
    85,897,971.18/128,830,327.65 = 33,375,552.57/x
  3. Step 3: Cross multiply
    85,897,971.18x = 128,830,327.65 × 33,375,552.57
  4. Step 4: Simplify right side
    85,897,971.18x = 4,299,783,373,092,900
  5. Step 5: Solve for x
    x = 4,299,783,373,092,900/85,897,971.18
  6. Step 6: Final answer
    x = 50,056,867.63

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