Home / 100,110,154-138,152,012.52-54,325,066

Finding the Fourth Proportional to 100,110,154, 138,152,012.52 and 54,325,066

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Solution

The fourth proportional to 100,110,154, 138,152,012.52 and 54,325,066 is: 74,968,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,110,154 : 138,152,012.52 = 54,325,066 : x
  2. Step 2: Convert to fraction form
    100,110,154/138,152,012.52 = 54,325,066/x
  3. Step 3: Cross multiply
    100,110,154x = 138,152,012.52 × 54,325,066
  4. Step 4: Simplify right side
    100,110,154x = 7,505,117,198,181,827
  5. Step 5: Solve for x
    x = 7,505,117,198,181,827/100,110,154
  6. Step 6: Final answer
    x = 74,968,591.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.