Home / 251,492,105.93-347,059,122.87-139,980,553.65

Finding the Fourth Proportional to 251,492,105.93, 347,059,122.87 and 139,980,553.65

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Solution

The fourth proportional to 251,492,105.93, 347,059,122.87 and 139,980,553.65 is: 193,173,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,105.93 : 347,059,122.87 = 139,980,553.65 : x
  2. Step 2: Convert to fraction form
    251,492,105.93/347,059,122.87 = 139,980,553.65/x
  3. Step 3: Cross multiply
    251,492,105.93x = 347,059,122.87 × 139,980,553.65
  4. Step 4: Simplify right side
    251,492,105.93x = 48,581,528,168,756,160
  5. Step 5: Solve for x
    x = 48,581,528,168,756,160/251,492,105.93
  6. Step 6: Final answer
    x = 193,173,173.32

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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.