Home / 123,565,774.80-185,348,662.20-109,695,164.70

Finding the Fourth Proportional to 123,565,774.80, 185,348,662.20 and 109,695,164.70

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Solution

The fourth proportional to 123,565,774.80, 185,348,662.20 and 109,695,164.70 is: 164,542,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,565,774.80 : 185,348,662.20 = 109,695,164.70 : x
  2. Step 2: Convert to fraction form
    123,565,774.80/185,348,662.20 = 109,695,164.70/x
  3. Step 3: Cross multiply
    123,565,774.80x = 185,348,662.20 × 109,695,164.70
  4. Step 4: Simplify right side
    123,565,774.80x = 20,331,852,026,953,664
  5. Step 5: Solve for x
    x = 20,331,852,026,953,664/123,565,774.80
  6. Step 6: Final answer
    x = 164,542,747.05

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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.