Home / 80,260,196.63-110,755,364.78-45,453,136.23

Finding the Fourth Proportional to 80,260,196.63, 110,755,364.78 and 45,453,136.23

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Solution

The fourth proportional to 80,260,196.63, 110,755,364.78 and 45,453,136.23 is: 62,723,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,260,196.63 : 110,755,364.78 = 45,453,136.23 : x
  2. Step 2: Convert to fraction form
    80,260,196.63/110,755,364.78 = 45,453,136.23/x
  3. Step 3: Cross multiply
    80,260,196.63x = 110,755,364.78 × 45,453,136.23
  4. Step 4: Simplify right side
    80,260,196.63x = 5,034,178,683,662,316
  5. Step 5: Solve for x
    x = 5,034,178,683,662,316/80,260,196.63
  6. Step 6: Final answer
    x = 62,723,228.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.