Home / 110,824,172.40-166,404,220.20-85,294,009.20

Finding the Fourth Proportional to 110,824,172.40, 166,404,220.20 and 85,294,009.20

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Solution

The fourth proportional to 110,824,172.40, 166,404,220.20 and 85,294,009.20 is: 128,070,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,824,172.40 : 166,404,220.20 = 85,294,009.20 : x
  2. Step 2: Convert to fraction form
    110,824,172.40/166,404,220.20 = 85,294,009.20/x
  3. Step 3: Cross multiply
    110,824,172.40x = 166,404,220.20 × 85,294,009.20
  4. Step 4: Simplify right side
    110,824,172.40x = 14,193,283,088,657,626
  5. Step 5: Solve for x
    x = 14,193,283,088,657,626/110,824,172.40
  6. Step 6: Final answer
    x = 128,070,282.69

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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.