Home / 56,176,991.90-84,328,473.45-43,453,900.70

Finding the Fourth Proportional to 56,176,991.90, 84,328,473.45 and 43,453,900.70

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Solution

The fourth proportional to 56,176,991.90, 84,328,473.45 and 43,453,900.70 is: 65,229,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176,991.90 : 84,328,473.45 = 43,453,900.70 : x
  2. Step 2: Convert to fraction form
    56,176,991.90/84,328,473.45 = 43,453,900.70/x
  3. Step 3: Cross multiply
    56,176,991.90x = 84,328,473.45 × 43,453,900.70
  4. Step 4: Simplify right side
    56,176,991.90x = 3,664,401,111,478,887
  5. Step 5: Solve for x
    x = 3,664,401,111,478,887/56,176,991.90
  6. Step 6: Final answer
    x = 65,229,571.53

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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.