Home / 103,502,548.20-155,121,946.20-55,003,636.20

Finding the Fourth Proportional to 103,502,548.20, 155,121,946.20 and 55,003,636.20

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Solution

The fourth proportional to 103,502,548.20, 155,121,946.20 and 55,003,636.20 is: 82,435,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,502,548.20 : 155,121,946.20 = 55,003,636.20 : x
  2. Step 2: Convert to fraction form
    103,502,548.20/155,121,946.20 = 55,003,636.20/x
  3. Step 3: Cross multiply
    103,502,548.20x = 155,121,946.20 × 55,003,636.20
  4. Step 4: Simplify right side
    103,502,548.20x = 8,532,271,095,420,772
  5. Step 5: Solve for x
    x = 8,532,271,095,420,772/103,502,548.20
  6. Step 6: Final answer
    x = 82,435,372.31

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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.