Home / 127,824,390.80-191,736,586.20-51,159,251.60

Finding the Fourth Proportional to 127,824,390.80, 191,736,586.20 and 51,159,251.60

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Solution

The fourth proportional to 127,824,390.80, 191,736,586.20 and 51,159,251.60 is: 76,738,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824,390.80 : 191,736,586.20 = 51,159,251.60 : x
  2. Step 2: Convert to fraction form
    127,824,390.80/191,736,586.20 = 51,159,251.60/x
  3. Step 3: Cross multiply
    127,824,390.80x = 191,736,586.20 × 51,159,251.60
  4. Step 4: Simplify right side
    127,824,390.80x = 9,809,100,254,330,888
  5. Step 5: Solve for x
    x = 9,809,100,254,330,888/127,824,390.80
  6. Step 6: Final answer
    x = 76,738,877.40

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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.