Home / 161,818,883.70-242,728,325.55-159,131,498.10

Finding the Fourth Proportional to 161,818,883.70, 242,728,325.55 and 159,131,498.10

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Solution

The fourth proportional to 161,818,883.70, 242,728,325.55 and 159,131,498.10 is: 238,697,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,818,883.70 : 242,728,325.55 = 159,131,498.10 : x
  2. Step 2: Convert to fraction form
    161,818,883.70/242,728,325.55 = 159,131,498.10/x
  3. Step 3: Cross multiply
    161,818,883.70x = 242,728,325.55 × 159,131,498.10
  4. Step 4: Simplify right side
    161,818,883.70x = 38,625,722,076,076,008
  5. Step 5: Solve for x
    x = 38,625,722,076,076,008/161,818,883.70
  6. Step 6: Final answer
    x = 238,697,247.15

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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.