Home / 204,726,007.20-307,089,010.80-127,241,909.40

Finding the Fourth Proportional to 204,726,007.20, 307,089,010.80 and 127,241,909.40

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Solution

The fourth proportional to 204,726,007.20, 307,089,010.80 and 127,241,909.40 is: 190,862,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,726,007.20 : 307,089,010.80 = 127,241,909.40 : x
  2. Step 2: Convert to fraction form
    204,726,007.20/307,089,010.80 = 127,241,909.40/x
  3. Step 3: Cross multiply
    204,726,007.20x = 307,089,010.80 × 127,241,909.40
  4. Step 4: Simplify right side
    204,726,007.20x = 39,074,592,089,949,224
  5. Step 5: Solve for x
    x = 39,074,592,089,949,224/204,726,007.20
  6. Step 6: Final answer
    x = 190,862,864.10

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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.