Home / 161,803,843.23-242,679,192.78-69,662,774.85

Finding the Fourth Proportional to 161,803,843.23, 242,679,192.78 and 69,662,774.85

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Solution

The fourth proportional to 161,803,843.23, 242,679,192.78 and 69,662,774.85 is: 104,482,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803,843.23 : 242,679,192.78 = 69,662,774.85 : x
  2. Step 2: Convert to fraction form
    161,803,843.23/242,679,192.78 = 69,662,774.85/x
  3. Step 3: Cross multiply
    161,803,843.23x = 242,679,192.78 × 69,662,774.85
  4. Step 4: Simplify right side
    161,803,843.23x = 16,905,705,967,412,884
  5. Step 5: Solve for x
    x = 16,905,705,967,412,884/161,803,843.23
  6. Step 6: Final answer
    x = 104,482,721.98

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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.