Home / 262,451,206.40-393,676,809.60-109,046,278.40

Finding the Fourth Proportional to 262,451,206.40, 393,676,809.60 and 109,046,278.40

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Solution

The fourth proportional to 262,451,206.40, 393,676,809.60 and 109,046,278.40 is: 163,569,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,451,206.40 : 393,676,809.60 = 109,046,278.40 : x
  2. Step 2: Convert to fraction form
    262,451,206.40/393,676,809.60 = 109,046,278.40/x
  3. Step 3: Cross multiply
    262,451,206.40x = 393,676,809.60 × 109,046,278.40
  4. Step 4: Simplify right side
    262,451,206.40x = 42,928,990,979,265,400
  5. Step 5: Solve for x
    x = 42,928,990,979,265,400/262,451,206.40
  6. Step 6: Final answer
    x = 163,569,417.60

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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.