Home / 65,511,583.60-90,402,829.96-35,740,459.12

Finding the Fourth Proportional to 65,511,583.60, 90,402,829.96 and 35,740,459.12

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Solution

The fourth proportional to 65,511,583.60, 90,402,829.96 and 35,740,459.12 is: 49,320,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511,583.60 : 90,402,829.96 = 35,740,459.12 : x
  2. Step 2: Convert to fraction form
    65,511,583.60/90,402,829.96 = 35,740,459.12/x
  3. Step 3: Cross multiply
    65,511,583.60x = 90,402,829.96 × 35,740,459.12
  4. Step 4: Simplify right side
    65,511,583.60x = 3,231,038,648,517,691
  5. Step 5: Solve for x
    x = 3,231,038,648,517,691/65,511,583.60
  6. Step 6: Final answer
    x = 49,320,112.12

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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.