Home / 99,291,398.94-148,958,643.70-30,202,406.82

Finding the Fourth Proportional to 99,291,398.94, 148,958,643.70 and 30,202,406.82

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Solution

The fourth proportional to 99,291,398.94, 148,958,643.70 and 30,202,406.82 is: 45,310,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,291,398.94 : 148,958,643.70 = 30,202,406.82 : x
  2. Step 2: Convert to fraction form
    99,291,398.94/148,958,643.70 = 30,202,406.82/x
  3. Step 3: Cross multiply
    99,291,398.94x = 148,958,643.70 × 30,202,406.82
  4. Step 4: Simplify right side
    99,291,398.94x = 4,498,909,556,420,582.50
  5. Step 5: Solve for x
    x = 4,498,909,556,420,582.50/99,291,398.94
  6. Step 6: Final answer
    x = 45,310,163.87

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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.