Home / 139,101,040.80-208,651,561.20-48,194,416.80

Finding the Fourth Proportional to 139,101,040.80, 208,651,561.20 and 48,194,416.80

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Solution

The fourth proportional to 139,101,040.80, 208,651,561.20 and 48,194,416.80 is: 72,291,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,101,040.80 : 208,651,561.20 = 48,194,416.80 : x
  2. Step 2: Convert to fraction form
    139,101,040.80/208,651,561.20 = 48,194,416.80/x
  3. Step 3: Cross multiply
    139,101,040.80x = 208,651,561.20 × 48,194,416.80
  4. Step 4: Simplify right side
    139,101,040.80x = 10,055,840,306,443,506
  5. Step 5: Solve for x
    x = 10,055,840,306,443,506/139,101,040.80
  6. Step 6: Final answer
    x = 72,291,625.20

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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.