Home / 99,731,952.80-149,597,929.20-67,399,344.80

Finding the Fourth Proportional to 99,731,952.80, 149,597,929.20 and 67,399,344.80

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Solution

The fourth proportional to 99,731,952.80, 149,597,929.20 and 67,399,344.80 is: 101,099,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,731,952.80 : 149,597,929.20 = 67,399,344.80 : x
  2. Step 2: Convert to fraction form
    99,731,952.80/149,597,929.20 = 67,399,344.80/x
  3. Step 3: Cross multiply
    99,731,952.80x = 149,597,929.20 × 67,399,344.80
  4. Step 4: Simplify right side
    99,731,952.80x = 10,082,802,411,516,786
  5. Step 5: Solve for x
    x = 10,082,802,411,516,786/99,731,952.80
  6. Step 6: Final answer
    x = 101,099,017.20

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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.