Home / 165,252,615.40-247,666,346.70-100,487,672.20

Finding the Fourth Proportional to 165,252,615.40, 247,666,346.70 and 100,487,672.20

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Solution

The fourth proportional to 165,252,615.40, 247,666,346.70 and 100,487,672.20 is: 150,602,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,252,615.40 : 247,666,346.70 = 100,487,672.20 : x
  2. Step 2: Convert to fraction form
    165,252,615.40/247,666,346.70 = 100,487,672.20/x
  3. Step 3: Cross multiply
    165,252,615.40x = 247,666,346.70 × 100,487,672.20
  4. Step 4: Simplify right side
    165,252,615.40x = 24,887,414,662,161,152
  5. Step 5: Solve for x
    x = 24,887,414,662,161,152/165,252,615.40
  6. Step 6: Final answer
    x = 150,602,243.73

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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.