Home / 165,638,621.60-248,455,599.60-74,762,064.80

Finding the Fourth Proportional to 165,638,621.60, 248,455,599.60 and 74,762,064.80

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Solution

The fourth proportional to 165,638,621.60, 248,455,599.60 and 74,762,064.80 is: 112,142,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,638,621.60 : 248,455,599.60 = 74,762,064.80 : x
  2. Step 2: Convert to fraction form
    165,638,621.60/248,455,599.60 = 74,762,064.80/x
  3. Step 3: Cross multiply
    165,638,621.60x = 248,455,599.60 × 74,762,064.80
  4. Step 4: Simplify right side
    165,638,621.60x = 18,575,053,637,218,052
  5. Step 5: Solve for x
    x = 18,575,053,637,218,052/165,638,621.60
  6. Step 6: Final answer
    x = 112,142,044.28

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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.