Home / 148,239,757,670.89-204,556,571,136.17-83,136,827,959.42

Finding the Fourth Proportional to 148,239,757,670.89, 204,556,571,136.17 and 83,136,827,959.42

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Solution

The fourth proportional to 148,239,757,670.89, 204,556,571,136.17 and 83,136,827,959.42 is: 114,720,805,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,239,757,670.89 : 204,556,571,136.17 = 83,136,827,959.42 : x
  2. Step 2: Convert to fraction form
    148,239,757,670.89/204,556,571,136.17 = 83,136,827,959.42/x
  3. Step 3: Cross multiply
    148,239,757,670.89x = 204,556,571,136.17 × 83,136,827,959.42
  4. Step 4: Simplify right side
    148,239,757,670.89x = 17,006,184,462,516,624,556,032
  5. Step 5: Solve for x
    x = 17,006,184,462,516,624,556,032/148,239,757,670.89
  6. Step 6: Final answer
    x = 114,720,805,873.63

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1.5x scale

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.