Home / 242,551,129.44-363,787,619.76-67,678,687.20

Finding the Fourth Proportional to 242,551,129.44, 363,787,619.76 and 67,678,687.20

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Solution

The fourth proportional to 242,551,129.44, 363,787,619.76 and 67,678,687.20 is: 101,507,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,551,129.44 : 363,787,619.76 = 67,678,687.20 : x
  2. Step 2: Convert to fraction form
    242,551,129.44/363,787,619.76 = 67,678,687.20/x
  3. Step 3: Cross multiply
    242,551,129.44x = 363,787,619.76 × 67,678,687.20
  4. Step 4: Simplify right side
    242,551,129.44x = 24,620,668,524,969,580
  5. Step 5: Solve for x
    x = 24,620,668,524,969,580/242,551,129.44
  6. Step 6: Final answer
    x = 101,507,127.93

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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.