Home / 165,889,240.80-248,833,861.20-145,733,848.80

Finding the Fourth Proportional to 165,889,240.80, 248,833,861.20 and 145,733,848.80

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Solution

The fourth proportional to 165,889,240.80, 248,833,861.20 and 145,733,848.80 is: 218,600,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,240.80 : 248,833,861.20 = 145,733,848.80 : x
  2. Step 2: Convert to fraction form
    165,889,240.80/248,833,861.20 = 145,733,848.80/x
  3. Step 3: Cross multiply
    165,889,240.80x = 248,833,861.20 × 145,733,848.80
  4. Step 4: Simplify right side
    165,889,240.80x = 36,263,516,304,440,984
  5. Step 5: Solve for x
    x = 36,263,516,304,440,984/165,889,240.80
  6. Step 6: Final answer
    x = 218,600,773.20

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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.