Home / 127,824,024.80-191,736,037.20-51,158,885.60

Finding the Fourth Proportional to 127,824,024.80, 191,736,037.20 and 51,158,885.60

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Solution

The fourth proportional to 127,824,024.80, 191,736,037.20 and 51,158,885.60 is: 76,738,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824,024.80 : 191,736,037.20 = 51,158,885.60 : x
  2. Step 2: Convert to fraction form
    127,824,024.80/191,736,037.20 = 51,158,885.60/x
  3. Step 3: Cross multiply
    127,824,024.80x = 191,736,037.20 × 51,158,885.60
  4. Step 4: Simplify right side
    127,824,024.80x = 9,809,001,992,512,144
  5. Step 5: Solve for x
    x = 9,809,001,992,512,144/127,824,024.80
  6. Step 6: Final answer
    x = 76,738,328.40

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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.