Home / 99,525,832.80-149,288,749.20-56,479,111.80

Finding the Fourth Proportional to 99,525,832.80, 149,288,749.20 and 56,479,111.80

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Solution

The fourth proportional to 99,525,832.80, 149,288,749.20 and 56,479,111.80 is: 84,718,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,832.80 : 149,288,749.20 = 56,479,111.80 : x
  2. Step 2: Convert to fraction form
    99,525,832.80/149,288,749.20 = 56,479,111.80/x
  3. Step 3: Cross multiply
    99,525,832.80x = 149,288,749.20 × 56,479,111.80
  4. Step 4: Simplify right side
    99,525,832.80x = 8,431,695,956,548,959
  5. Step 5: Solve for x
    x = 8,431,695,956,548,959/99,525,832.80
  6. Step 6: Final answer
    x = 84,718,667.70

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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.