Home / 161,679,784.40-242,519,676.60-143,823,366.80

Finding the Fourth Proportional to 161,679,784.40, 242,519,676.60 and 143,823,366.80

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Solution

The fourth proportional to 161,679,784.40, 242,519,676.60 and 143,823,366.80 is: 215,735,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,679,784.40 : 242,519,676.60 = 143,823,366.80 : x
  2. Step 2: Convert to fraction form
    161,679,784.40/242,519,676.60 = 143,823,366.80/x
  3. Step 3: Cross multiply
    161,679,784.40x = 242,519,676.60 × 143,823,366.80
  4. Step 4: Simplify right side
    161,679,784.40x = 34,879,996,403,859,180
  5. Step 5: Solve for x
    x = 34,879,996,403,859,180/161,679,784.40
  6. Step 6: Final answer
    x = 215,735,050.20

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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.