Home / 161,446,809.60-242,170,214.40-112,979,390.40

Finding the Fourth Proportional to 161,446,809.60, 242,170,214.40 and 112,979,390.40

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Solution

The fourth proportional to 161,446,809.60, 242,170,214.40 and 112,979,390.40 is: 169,469,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,446,809.60 : 242,170,214.40 = 112,979,390.40 : x
  2. Step 2: Convert to fraction form
    161,446,809.60/242,170,214.40 = 112,979,390.40/x
  3. Step 3: Cross multiply
    161,446,809.60x = 242,170,214.40 × 112,979,390.40
  4. Step 4: Simplify right side
    161,446,809.60x = 27,360,243,195,949,304
  5. Step 5: Solve for x
    x = 27,360,243,195,949,304/161,446,809.60
  6. Step 6: Final answer
    x = 169,469,085.60

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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.