Home / 276,465,019.20-414,697,528.80-167,980,196.40

Finding the Fourth Proportional to 276,465,019.20, 414,697,528.80 and 167,980,196.40

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Solution

The fourth proportional to 276,465,019.20, 414,697,528.80 and 167,980,196.40 is: 251,970,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,465,019.20 : 414,697,528.80 = 167,980,196.40 : x
  2. Step 2: Convert to fraction form
    276,465,019.20/414,697,528.80 = 167,980,196.40/x
  3. Step 3: Cross multiply
    276,465,019.20x = 414,697,528.80 × 167,980,196.40
  4. Step 4: Simplify right side
    276,465,019.20x = 69,660,972,334,418,664
  5. Step 5: Solve for x
    x = 69,660,972,334,418,664/276,465,019.20
  6. Step 6: Final answer
    x = 251,970,294.60

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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.