Home / 171,407,233.20-257,110,849.80-127,758,212.40

Finding the Fourth Proportional to 171,407,233.20, 257,110,849.80 and 127,758,212.40

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Solution

The fourth proportional to 171,407,233.20, 257,110,849.80 and 127,758,212.40 is: 191,637,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,407,233.20 : 257,110,849.80 = 127,758,212.40 : x
  2. Step 2: Convert to fraction form
    171,407,233.20/257,110,849.80 = 127,758,212.40/x
  3. Step 3: Cross multiply
    171,407,233.20x = 257,110,849.80 × 127,758,212.40
  4. Step 4: Simplify right side
    171,407,233.20x = 32,848,022,559,092,900
  5. Step 5: Solve for x
    x = 32,848,022,559,092,900/171,407,233.20
  6. Step 6: Final answer
    x = 191,637,318.60

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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.