Home / 193,555,363.40-290,333,045.10-172,392,201.80

Finding the Fourth Proportional to 193,555,363.40, 290,333,045.10 and 172,392,201.80

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Solution

The fourth proportional to 193,555,363.40, 290,333,045.10 and 172,392,201.80 is: 258,588,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,363.40 : 290,333,045.10 = 172,392,201.80 : x
  2. Step 2: Convert to fraction form
    193,555,363.40/290,333,045.10 = 172,392,201.80/x
  3. Step 3: Cross multiply
    193,555,363.40x = 290,333,045.10 × 172,392,201.80
  4. Step 4: Simplify right side
    193,555,363.40x = 50,051,152,900,087,712
  5. Step 5: Solve for x
    x = 50,051,152,900,087,712/193,555,363.40
  6. Step 6: Final answer
    x = 258,588,302.70

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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.