Home / 260,605,544.44-390,821,512.92-105,119,193.40

Finding the Fourth Proportional to 260,605,544.44, 390,821,512.92 and 105,119,193.40

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Solution

The fourth proportional to 260,605,544.44, 390,821,512.92 and 105,119,193.40 is: 157,643,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,605,544.44 : 390,821,512.92 = 105,119,193.40 : x
  2. Step 2: Convert to fraction form
    260,605,544.44/390,821,512.92 = 105,119,193.40/x
  3. Step 3: Cross multiply
    260,605,544.44x = 390,821,512.92 × 105,119,193.40
  4. Step 4: Simplify right side
    260,605,544.44x = 41,082,842,201,518,080
  5. Step 5: Solve for x
    x = 41,082,842,201,518,080/260,605,544.44
  6. Step 6: Final answer
    x = 157,643,776.50

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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.