Home / 250,639,754.40-345,883,856.40-140,624,284.32

Finding the Fourth Proportional to 250,639,754.40, 345,883,856.40 and 140,624,284.32

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Solution

The fourth proportional to 250,639,754.40, 345,883,856.40 and 140,624,284.32 is: 194,062,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,639,754.40 : 345,883,856.40 = 140,624,284.32 : x
  2. Step 2: Convert to fraction form
    250,639,754.40/345,883,856.40 = 140,624,284.32/x
  3. Step 3: Cross multiply
    250,639,754.40x = 345,883,856.40 × 140,624,284.32
  4. Step 4: Simplify right side
    250,639,754.40x = 48,639,669,764,091,648
  5. Step 5: Solve for x
    x = 48,639,669,764,091,648/250,639,754.40
  6. Step 6: Final answer
    x = 194,062,070.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.