Home / 99,677,347.80-149,544,015.30-48,561,034.20

Finding the Fourth Proportional to 99,677,347.80, 149,544,015.30 and 48,561,034.20

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Solution

The fourth proportional to 99,677,347.80, 149,544,015.30 and 48,561,034.20 is: 72,855,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,677,347.80 : 149,544,015.30 = 48,561,034.20 : x
  2. Step 2: Convert to fraction form
    99,677,347.80/149,544,015.30 = 48,561,034.20/x
  3. Step 3: Cross multiply
    99,677,347.80x = 149,544,015.30 × 48,561,034.20
  4. Step 4: Simplify right side
    99,677,347.80x = 7,262,012,041,388,624
  5. Step 5: Solve for x
    x = 7,262,012,041,388,624/99,677,347.80
  6. Step 6: Final answer
    x = 72,855,189.28

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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.