Home / 194,015,442.20-291,235,739.70-121,314,313.40

Finding the Fourth Proportional to 194,015,442.20, 291,235,739.70 and 121,314,313.40

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Solution

The fourth proportional to 194,015,442.20, 291,235,739.70 and 121,314,313.40 is: 182,104,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,015,442.20 : 291,235,739.70 = 121,314,313.40 : x
  2. Step 2: Convert to fraction form
    194,015,442.20/291,235,739.70 = 121,314,313.40/x
  3. Step 3: Cross multiply
    194,015,442.20x = 291,235,739.70 × 121,314,313.40
  4. Step 4: Simplify right side
    194,015,442.20x = 35,331,063,799,246,624
  5. Step 5: Solve for x
    x = 35,331,063,799,246,624/194,015,442.20
  6. Step 6: Final answer
    x = 182,104,390.24

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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.