Home / 231,712,186.48-319,763,026.92-127,297,021.84

Finding the Fourth Proportional to 231,712,186.48, 319,763,026.92 and 127,297,021.84

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Solution

The fourth proportional to 231,712,186.48, 319,763,026.92 and 127,297,021.84 is: 175,670,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,712,186.48 : 319,763,026.92 = 127,297,021.84 : x
  2. Step 2: Convert to fraction form
    231,712,186.48/319,763,026.92 = 127,297,021.84/x
  3. Step 3: Cross multiply
    231,712,186.48x = 319,763,026.92 × 127,297,021.84
  4. Step 4: Simplify right side
    231,712,186.48x = 40,704,881,021,459,752
  5. Step 5: Solve for x
    x = 40,704,881,021,459,752/231,712,186.48
  6. Step 6: Final answer
    x = 175,670,005.28

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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.