Home / 231,976,208.48-319,829,994.06-190,005,656.72

Finding the Fourth Proportional to 231,976,208.48, 319,829,994.06 and 190,005,656.72

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Solution

The fourth proportional to 231,976,208.48, 319,829,994.06 and 190,005,656.72 is: 261,964,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,976,208.48 : 319,829,994.06 = 190,005,656.72 : x
  2. Step 2: Convert to fraction form
    231,976,208.48/319,829,994.06 = 190,005,656.72/x
  3. Step 3: Cross multiply
    231,976,208.48x = 319,829,994.06 × 190,005,656.72
  4. Step 4: Simplify right side
    231,976,208.48x = 60,769,508,060,124,000
  5. Step 5: Solve for x
    x = 60,769,508,060,124,000/231,976,208.48
  6. Step 6: Final answer
    x = 261,964,399.10

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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.