Home / 193,109,110.80-289,663,666.20-172,064,047.20

Finding the Fourth Proportional to 193,109,110.80, 289,663,666.20 and 172,064,047.20

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Solution

The fourth proportional to 193,109,110.80, 289,663,666.20 and 172,064,047.20 is: 258,096,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,109,110.80 : 289,663,666.20 = 172,064,047.20 : x
  2. Step 2: Convert to fraction form
    193,109,110.80/289,663,666.20 = 172,064,047.20/x
  3. Step 3: Cross multiply
    193,109,110.80x = 289,663,666.20 × 172,064,047.20
  4. Step 4: Simplify right side
    193,109,110.80x = 49,840,702,733,161,840
  5. Step 5: Solve for x
    x = 49,840,702,733,161,840/193,109,110.80
  6. Step 6: Final answer
    x = 258,096,070.80

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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.