Home / 165,561,763.60-248,368,889.40-56,397,221.20

Finding the Fourth Proportional to 165,561,763.60, 248,368,889.40 and 56,397,221.20

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Solution

The fourth proportional to 165,561,763.60, 248,368,889.40 and 56,397,221.20 is: 84,604,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,561,763.60 : 248,368,889.40 = 56,397,221.20 : x
  2. Step 2: Convert to fraction form
    165,561,763.60/248,368,889.40 = 56,397,221.20/x
  3. Step 3: Cross multiply
    165,561,763.60x = 248,368,889.40 × 56,397,221.20
  4. Step 4: Simplify right side
    165,561,763.60x = 14,007,315,194,690,136
  5. Step 5: Solve for x
    x = 14,007,315,194,690,136/165,561,763.60
  6. Step 6: Final answer
    x = 84,604,771.60

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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.