Home / 147,433,890.80-221,150,836.20-144,564,109.40

Finding the Fourth Proportional to 147,433,890.80, 221,150,836.20 and 144,564,109.40

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Solution

The fourth proportional to 147,433,890.80, 221,150,836.20 and 144,564,109.40 is: 216,846,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,433,890.80 : 221,150,836.20 = 144,564,109.40 : x
  2. Step 2: Convert to fraction form
    147,433,890.80/221,150,836.20 = 144,564,109.40/x
  3. Step 3: Cross multiply
    147,433,890.80x = 221,150,836.20 × 144,564,109.40
  4. Step 4: Simplify right side
    147,433,890.80x = 31,970,473,678,318,280
  5. Step 5: Solve for x
    x = 31,970,473,678,318,280/147,433,890.80
  6. Step 6: Final answer
    x = 216,846,164.10

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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.