Home / 261,210,640.17-391,872,647.30-79,453,094.25

Finding the Fourth Proportional to 261,210,640.17, 391,872,647.30 and 79,453,094.25

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Solution

The fourth proportional to 261,210,640.17, 391,872,647.30 and 79,453,094.25 is: 119,196,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,210,640.17 : 391,872,647.30 = 79,453,094.25 : x
  2. Step 2: Convert to fraction form
    261,210,640.17/391,872,647.30 = 79,453,094.25/x
  3. Step 3: Cross multiply
    261,210,640.17x = 391,872,647.30 × 79,453,094.25
  4. Step 4: Simplify right side
    261,210,640.17x = 31,135,494,379,526,644
  5. Step 5: Solve for x
    x = 31,135,494,379,526,644/261,210,640.17
  6. Step 6: Final answer
    x = 119,196,884.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.