Home / 92,836,279.07-128,117,136.70-51,021,826.52

Finding the Fourth Proportional to 92,836,279.07, 128,117,136.70 and 51,021,826.52

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Solution

The fourth proportional to 92,836,279.07, 128,117,136.70 and 51,021,826.52 is: 70,411,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836,279.07 : 128,117,136.70 = 51,021,826.52 : x
  2. Step 2: Convert to fraction form
    92,836,279.07/128,117,136.70 = 51,021,826.52/x
  3. Step 3: Cross multiply
    92,836,279.07x = 128,117,136.70 × 51,021,826.52
  4. Step 4: Simplify right side
    92,836,279.07x = 6,536,770,322,691,416
  5. Step 5: Solve for x
    x = 6,536,770,322,691,416/92,836,279.07
  6. Step 6: Final answer
    x = 70,411,808.71

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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.