Home / 281,662,165.08-388,687,996.44-156,194,114.40

Finding the Fourth Proportional to 281,662,165.08, 388,687,996.44 and 156,194,114.40

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Solution

The fourth proportional to 281,662,165.08, 388,687,996.44 and 156,194,114.40 is: 215,544,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,662,165.08 : 388,687,996.44 = 156,194,114.40 : x
  2. Step 2: Convert to fraction form
    281,662,165.08/388,687,996.44 = 156,194,114.40/x
  3. Step 3: Cross multiply
    281,662,165.08x = 388,687,996.44 × 156,194,114.40
  4. Step 4: Simplify right side
    281,662,165.08x = 60,710,777,381,856,152
  5. Step 5: Solve for x
    x = 60,710,777,381,856,152/281,662,165.08
  6. Step 6: Final answer
    x = 215,544,666.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.