Home / 76,151,490,991.24-104,978,300,153.94-53,217,424,784.20

Finding the Fourth Proportional to 76,151,490,991.24, 104,978,300,153.94 and 53,217,424,784.20

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Solution

The fourth proportional to 76,151,490,991.24, 104,978,300,153.94 and 53,217,424,784.20 is: 73,362,644,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,151,490,991.24 : 104,978,300,153.94 = 53,217,424,784.20 : x
  2. Step 2: Convert to fraction form
    76,151,490,991.24/104,978,300,153.94 = 53,217,424,784.20/x
  3. Step 3: Cross multiply
    76,151,490,991.24x = 104,978,300,153.94 × 53,217,424,784.20
  4. Step 4: Simplify right side
    76,151,490,991.24x = 5,586,674,792,415,473,172,480
  5. Step 5: Solve for x
    x = 5,586,674,792,415,473,172,480/76,151,490,991.24
  6. Step 6: Final answer
    x = 73,362,644,902.88

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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.