Home / 151,478,766,964.64-209,043,144,002.04-82,896,139,174.52

Finding the Fourth Proportional to 151,478,766,964.64, 209,043,144,002.04 and 82,896,139,174.52

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Solution

The fourth proportional to 151,478,766,964.64, 209,043,144,002.04 and 82,896,139,174.52 is: 114,398,010,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,478,766,964.64 : 209,043,144,002.04 = 82,896,139,174.52 : x
  2. Step 2: Convert to fraction form
    151,478,766,964.64/209,043,144,002.04 = 82,896,139,174.52/x
  3. Step 3: Cross multiply
    151,478,766,964.64x = 209,043,144,002.04 × 82,896,139,174.52
  4. Step 4: Simplify right side
    151,478,766,964.64x = 17,328,869,558,672,334,782,464
  5. Step 5: Solve for x
    x = 17,328,869,558,672,334,782,464/151,478,766,964.64
  6. Step 6: Final answer
    x = 114,398,010,400.48

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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.