Home / 140,617,733.67-194,054,024.57-77,894,792.37

Finding the Fourth Proportional to 140,617,733.67, 194,054,024.57 and 77,894,792.37

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Solution

The fourth proportional to 140,617,733.67, 194,054,024.57 and 77,894,792.37 is: 107,495,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,733.67 : 194,054,024.57 = 77,894,792.37 : x
  2. Step 2: Convert to fraction form
    140,617,733.67/194,054,024.57 = 77,894,792.37/x
  3. Step 3: Cross multiply
    140,617,733.67x = 194,054,024.57 × 77,894,792.37
  4. Step 4: Simplify right side
    140,617,733.67x = 15,115,797,952,053,556
  5. Step 5: Solve for x
    x = 15,115,797,952,053,556/140,617,733.67
  6. Step 6: Final answer
    x = 107,495,673.25

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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.