Home / 131,131,802.26-180,985,580.85-78,211,905.94

Finding the Fourth Proportional to 131,131,802.26, 180,985,580.85 and 78,211,905.94

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Solution

The fourth proportional to 131,131,802.26, 180,985,580.85 and 78,211,905.94 is: 107,946,562.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,131,802.26 : 180,985,580.85 = 78,211,905.94 : x
  2. Step 2: Convert to fraction form
    131,131,802.26/180,985,580.85 = 78,211,905.94/x
  3. Step 3: Cross multiply
    131,131,802.26x = 180,985,580.85 × 78,211,905.94
  4. Step 4: Simplify right side
    131,131,802.26x = 14,155,227,225,936,464
  5. Step 5: Solve for x
    x = 14,155,227,225,936,464/131,131,802.26
  6. Step 6: Final answer
    x = 107,946,562.02

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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.