Home / 161,724,892.20-242,587,338.30-144,256,885.80

Finding the Fourth Proportional to 161,724,892.20, 242,587,338.30 and 144,256,885.80

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Solution

The fourth proportional to 161,724,892.20, 242,587,338.30 and 144,256,885.80 is: 216,385,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,724,892.20 : 242,587,338.30 = 144,256,885.80 : x
  2. Step 2: Convert to fraction form
    161,724,892.20/242,587,338.30 = 144,256,885.80/x
  3. Step 3: Cross multiply
    161,724,892.20x = 242,587,338.30 × 144,256,885.80
  4. Step 4: Simplify right side
    161,724,892.20x = 34,994,893,957,669,072
  5. Step 5: Solve for x
    x = 34,994,893,957,669,072/161,724,892.20
  6. Step 6: Final answer
    x = 216,385,328.70

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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.