Home / 147,624,340.40-221,435,344.20-38,449,300.40

Finding the Fourth Proportional to 147,624,340.40, 221,435,344.20 and 38,449,300.40

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Solution

The fourth proportional to 147,624,340.40, 221,435,344.20 and 38,449,300.40 is: 57,673,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,340.40 : 221,435,344.20 = 38,449,300.40 : x
  2. Step 2: Convert to fraction form
    147,624,340.40/221,435,344.20 = 38,449,300.40/x
  3. Step 3: Cross multiply
    147,624,340.40x = 221,435,344.20 × 38,449,300.40
  4. Step 4: Simplify right side
    147,624,340.40x = 8,514,034,068,323,197
  5. Step 5: Solve for x
    x = 8,514,034,068,323,197/147,624,340.40
  6. Step 6: Final answer
    x = 57,673,646.81

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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.