Home / 80,393,853.45-120,640,381.47-37,255,016.01

Finding the Fourth Proportional to 80,393,853.45, 120,640,381.47 and 37,255,016.01

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Solution

The fourth proportional to 80,393,853.45, 120,640,381.47 and 37,255,016.01 is: 55,905,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393,853.45 : 120,640,381.47 = 37,255,016.01 : x
  2. Step 2: Convert to fraction form
    80,393,853.45/120,640,381.47 = 37,255,016.01/x
  3. Step 3: Cross multiply
    80,393,853.45x = 120,640,381.47 × 37,255,016.01
  4. Step 4: Simplify right side
    80,393,853.45x = 4,494,459,343,117,357
  5. Step 5: Solve for x
    x = 4,494,459,343,117,357/80,393,853.45
  6. Step 6: Final answer
    x = 55,905,509.57

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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.