Home / 165,590,513.80-248,833,668.30-145,883,019.40

Finding the Fourth Proportional to 165,590,513.80, 248,833,668.30 and 145,883,019.40

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Solution

The fourth proportional to 165,590,513.80, 248,833,668.30 and 145,883,019.40 is: 219,219,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,513.80 : 248,833,668.30 = 145,883,019.40 : x
  2. Step 2: Convert to fraction form
    165,590,513.80/248,833,668.30 = 145,883,019.40/x
  3. Step 3: Cross multiply
    165,590,513.80x = 248,833,668.30 × 145,883,019.40
  4. Step 4: Simplify right side
    165,590,513.80x = 36,300,606,859,982,072
  5. Step 5: Solve for x
    x = 36,300,606,859,982,072/165,590,513.80
  6. Step 6: Final answer
    x = 219,219,120.87

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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.