Home / 99,623,764.80-149,463,640.80-48,507,451.20

Finding the Fourth Proportional to 99,623,764.80, 149,463,640.80 and 48,507,451.20

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Solution

The fourth proportional to 99,623,764.80, 149,463,640.80 and 48,507,451.20 is: 72,774,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623,764.80 : 149,463,640.80 = 48,507,451.20 : x
  2. Step 2: Convert to fraction form
    99,623,764.80/149,463,640.80 = 48,507,451.20/x
  3. Step 3: Cross multiply
    99,623,764.80x = 149,463,640.80 × 48,507,451.20
  4. Step 4: Simplify right side
    99,623,764.80x = 7,250,100,262,280,330
  5. Step 5: Solve for x
    x = 7,250,100,262,280,330/99,623,764.80
  6. Step 6: Final answer
    x = 72,774,807.06

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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.