Home / 258,605,492.41-356,870,599.70-141,131,663.40

Finding the Fourth Proportional to 258,605,492.41, 356,870,599.70 and 141,131,663.40

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Solution

The fourth proportional to 258,605,492.41, 356,870,599.70 and 141,131,663.40 is: 194,758,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,605,492.41 : 356,870,599.70 = 141,131,663.40 : x
  2. Step 2: Convert to fraction form
    258,605,492.41/356,870,599.70 = 141,131,663.40/x
  3. Step 3: Cross multiply
    258,605,492.41x = 356,870,599.70 × 141,131,663.40
  4. Step 4: Simplify right side
    258,605,492.41x = 50,365,741,354,741,120
  5. Step 5: Solve for x
    x = 50,365,741,354,741,120/258,605,492.41
  6. Step 6: Final answer
    x = 194,758,977.80

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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.