Home / 139,968,026.80-209,952,040.20-88,697,748.40

Finding the Fourth Proportional to 139,968,026.80, 209,952,040.20 and 88,697,748.40

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Solution

The fourth proportional to 139,968,026.80, 209,952,040.20 and 88,697,748.40 is: 133,046,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,026.80 : 209,952,040.20 = 88,697,748.40 : x
  2. Step 2: Convert to fraction form
    139,968,026.80/209,952,040.20 = 88,697,748.40/x
  3. Step 3: Cross multiply
    139,968,026.80x = 209,952,040.20 × 88,697,748.40
  4. Step 4: Simplify right side
    139,968,026.80x = 18,622,273,237,726,284
  5. Step 5: Solve for x
    x = 18,622,273,237,726,284/139,968,026.80
  6. Step 6: Final answer
    x = 133,046,622.60

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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.