Home / 140,236,476.86-193,522,962.44-76,653,962.84

Finding the Fourth Proportional to 140,236,476.86, 193,522,962.44 and 76,653,962.84

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Solution

The fourth proportional to 140,236,476.86, 193,522,962.44 and 76,653,962.84 is: 105,780,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,236,476.86 : 193,522,962.44 = 76,653,962.84 : x
  2. Step 2: Convert to fraction form
    140,236,476.86/193,522,962.44 = 76,653,962.84/x
  3. Step 3: Cross multiply
    140,236,476.86x = 193,522,962.44 × 76,653,962.84
  4. Step 4: Simplify right side
    140,236,476.86x = 14,834,301,972,237,918
  5. Step 5: Solve for x
    x = 14,834,301,972,237,918/140,236,476.86
  6. Step 6: Final answer
    x = 105,780,623.59

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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.