Home / 147,015,680.40-220,523,520.60-124,057,429.20

Finding the Fourth Proportional to 147,015,680.40, 220,523,520.60 and 124,057,429.20

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Solution

The fourth proportional to 147,015,680.40, 220,523,520.60 and 124,057,429.20 is: 186,086,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,680.40 : 220,523,520.60 = 124,057,429.20 : x
  2. Step 2: Convert to fraction form
    147,015,680.40/220,523,520.60 = 124,057,429.20/x
  3. Step 3: Cross multiply
    147,015,680.40x = 220,523,520.60 × 124,057,429.20
  4. Step 4: Simplify right side
    147,015,680.40x = 27,357,581,043,769,240
  5. Step 5: Solve for x
    x = 27,357,581,043,769,240/147,015,680.40
  6. Step 6: Final answer
    x = 186,086,143.80

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1.5x scale

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.