Home / 153,256,688.20-229,885,032.30-136,628,489.80

Finding the Fourth Proportional to 153,256,688.20, 229,885,032.30 and 136,628,489.80

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Solution

The fourth proportional to 153,256,688.20, 229,885,032.30 and 136,628,489.80 is: 204,942,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,256,688.20 : 229,885,032.30 = 136,628,489.80 : x
  2. Step 2: Convert to fraction form
    153,256,688.20/229,885,032.30 = 136,628,489.80/x
  3. Step 3: Cross multiply
    153,256,688.20x = 229,885,032.30 × 136,628,489.80
  4. Step 4: Simplify right side
    153,256,688.20x = 31,408,844,790,773,224
  5. Step 5: Solve for x
    x = 31,408,844,790,773,224/153,256,688.20
  6. Step 6: Final answer
    x = 204,942,734.70

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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.