Home / 251,279,957,999.60-346,765,869,824.61-137,094,656,342.21

Finding the Fourth Proportional to 251,279,957,999.60, 346,765,869,824.61 and 137,094,656,342.21

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Solution

The fourth proportional to 251,279,957,999.60, 346,765,869,824.61 and 137,094,656,342.21 is: 189,190,368,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,279,957,999.60 : 346,765,869,824.61 = 137,094,656,342.21 : x
  2. Step 2: Convert to fraction form
    251,279,957,999.60/346,765,869,824.61 = 137,094,656,342.21/x
  3. Step 3: Cross multiply
    251,279,957,999.60x = 346,765,869,824.61 × 137,094,656,342.21
  4. Step 4: Simplify right side
    251,279,957,999.60x = 47,539,747,754,812,440,051,712
  5. Step 5: Solve for x
    x = 47,539,747,754,812,440,051,712/251,279,957,999.60
  6. Step 6: Final answer
    x = 189,190,368,118.77

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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.