Home / 139,968,002.10-209,952,003.15-98,761,422.90

Finding the Fourth Proportional to 139,968,002.10, 209,952,003.15 and 98,761,422.90

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Solution

The fourth proportional to 139,968,002.10, 209,952,003.15 and 98,761,422.90 is: 148,142,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,002.10 : 209,952,003.15 = 98,761,422.90 : x
  2. Step 2: Convert to fraction form
    139,968,002.10/209,952,003.15 = 98,761,422.90/x
  3. Step 3: Cross multiply
    139,968,002.10x = 209,952,003.15 × 98,761,422.90
  4. Step 4: Simplify right side
    139,968,002.10x = 20,735,158,571,799,284
  5. Step 5: Solve for x
    x = 20,735,158,571,799,284/139,968,002.10
  6. Step 6: Final answer
    x = 148,142,134.35

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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.