Home / 165,531,985.60-248,297,978.40-165,531,985.60

Finding the Fourth Proportional to 165,531,985.60, 248,297,978.40 and 165,531,985.60

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Solution

The fourth proportional to 165,531,985.60, 248,297,978.40 and 165,531,985.60 is: 248,297,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,531,985.60 : 248,297,978.40 = 165,531,985.60 : x
  2. Step 2: Convert to fraction form
    165,531,985.60/248,297,978.40 = 165,531,985.60/x
  3. Step 3: Cross multiply
    165,531,985.60x = 248,297,978.40 × 165,531,985.60
  4. Step 4: Simplify right side
    165,531,985.60x = 41,101,257,385,017,912
  5. Step 5: Solve for x
    x = 41,101,257,385,017,912/165,531,985.60
  6. Step 6: Final answer
    x = 248,297,978.40

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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.