Home / 193,090,279.20-289,635,418.80-111,460,941.60

Finding the Fourth Proportional to 193,090,279.20, 289,635,418.80 and 111,460,941.60

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Solution

The fourth proportional to 193,090,279.20, 289,635,418.80 and 111,460,941.60 is: 167,191,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,090,279.20 : 289,635,418.80 = 111,460,941.60 : x
  2. Step 2: Convert to fraction form
    193,090,279.20/289,635,418.80 = 111,460,941.60/x
  3. Step 3: Cross multiply
    193,090,279.20x = 289,635,418.80 × 111,460,941.60
  4. Step 4: Simplify right side
    193,090,279.20x = 32,283,036,500,158,340
  5. Step 5: Solve for x
    x = 32,283,036,500,158,340/193,090,279.20
  6. Step 6: Final answer
    x = 167,191,412.40

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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.