Home / 161,679,783.40-242,519,675.10-143,823,365.80

Finding the Fourth Proportional to 161,679,783.40, 242,519,675.10 and 143,823,365.80

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Solution

The fourth proportional to 161,679,783.40, 242,519,675.10 and 143,823,365.80 is: 215,735,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,679,783.40 : 242,519,675.10 = 143,823,365.80 : x
  2. Step 2: Convert to fraction form
    161,679,783.40/242,519,675.10 = 143,823,365.80/x
  3. Step 3: Cross multiply
    161,679,783.40x = 242,519,675.10 × 143,823,365.80
  4. Step 4: Simplify right side
    161,679,783.40x = 34,879,995,945,604,452
  5. Step 5: Solve for x
    x = 34,879,995,945,604,452/161,679,783.40
  6. Step 6: Final answer
    x = 215,735,048.70

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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.