Home / 139,968,009.55-209,952,014.33-88,697,731.15

Finding the Fourth Proportional to 139,968,009.55, 209,952,014.33 and 88,697,731.15

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Solution

The fourth proportional to 139,968,009.55, 209,952,014.33 and 88,697,731.15 is: 133,046,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,009.55 : 209,952,014.33 = 88,697,731.15 : x
  2. Step 2: Convert to fraction form
    139,968,009.55/209,952,014.33 = 88,697,731.15/x
  3. Step 3: Cross multiply
    139,968,009.55x = 209,952,014.33 × 88,697,731.15
  4. Step 4: Simplify right side
    139,968,009.55x = 18,622,267,321,443,288
  5. Step 5: Solve for x
    x = 18,622,267,321,443,288/139,968,009.55
  6. Step 6: Final answer
    x = 133,046,596.73

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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.