Home / 127,916,076.70-191,818,127.85-51,213,612.70

Finding the Fourth Proportional to 127,916,076.70, 191,818,127.85 and 51,213,612.70

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Solution

The fourth proportional to 127,916,076.70, 191,818,127.85 and 51,213,612.70 is: 76,798,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916,076.70 : 191,818,127.85 = 51,213,612.70 : x
  2. Step 2: Convert to fraction form
    127,916,076.70/191,818,127.85 = 51,213,612.70/x
  3. Step 3: Cross multiply
    127,916,076.70x = 191,818,127.85 × 51,213,612.70
  4. Step 4: Simplify right side
    127,916,076.70x = 9,823,699,308,548,984
  5. Step 5: Solve for x
    x = 9,823,699,308,548,984/127,916,076.70
  6. Step 6: Final answer
    x = 76,798,003.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.