Home / 165,590,512.80-248,833,666.80-145,883,018.40

Finding the Fourth Proportional to 165,590,512.80, 248,833,666.80 and 145,883,018.40

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Solution

The fourth proportional to 165,590,512.80, 248,833,666.80 and 145,883,018.40 is: 219,219,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,512.80 : 248,833,666.80 = 145,883,018.40 : x
  2. Step 2: Convert to fraction form
    165,590,512.80/248,833,666.80 = 145,883,018.40/x
  3. Step 3: Cross multiply
    165,590,512.80x = 248,833,666.80 × 145,883,018.40
  4. Step 4: Simplify right side
    165,590,512.80x = 36,300,606,392,323,872
  5. Step 5: Solve for x
    x = 36,300,606,392,323,872/165,590,512.80
  6. Step 6: Final answer
    x = 219,219,119.37

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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.