Home / 147,517,780.40-221,276,670.60-70,990,276.40

Finding the Fourth Proportional to 147,517,780.40, 221,276,670.60 and 70,990,276.40

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Solution

The fourth proportional to 147,517,780.40, 221,276,670.60 and 70,990,276.40 is: 106,485,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,517,780.40 : 221,276,670.60 = 70,990,276.40 : x
  2. Step 2: Convert to fraction form
    147,517,780.40/221,276,670.60 = 70,990,276.40/x
  3. Step 3: Cross multiply
    147,517,780.40x = 221,276,670.60 × 70,990,276.40
  4. Step 4: Simplify right side
    147,517,780.40x = 15,708,492,006,765,754
  5. Step 5: Solve for x
    x = 15,708,492,006,765,754/147,517,780.40
  6. Step 6: Final answer
    x = 106,485,414.60

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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.