Home / 193,128,375.10-289,692,562.65-91,091,703.10

Finding the Fourth Proportional to 193,128,375.10, 289,692,562.65 and 91,091,703.10

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Solution

The fourth proportional to 193,128,375.10, 289,692,562.65 and 91,091,703.10 is: 136,637,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,128,375.10 : 289,692,562.65 = 91,091,703.10 : x
  2. Step 2: Convert to fraction form
    193,128,375.10/289,692,562.65 = 91,091,703.10/x
  3. Step 3: Cross multiply
    193,128,375.10x = 289,692,562.65 × 91,091,703.10
  4. Step 4: Simplify right side
    193,128,375.10x = 26,388,588,907,191,944
  5. Step 5: Solve for x
    x = 26,388,588,907,191,944/193,128,375.10
  6. Step 6: Final answer
    x = 136,637,554.65

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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.