Home / 127,119,654.36-190,681,253.01-36,243,243.36

Finding the Fourth Proportional to 127,119,654.36, 190,681,253.01 and 36,243,243.36

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Solution

The fourth proportional to 127,119,654.36, 190,681,253.01 and 36,243,243.36 is: 54,365,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,119,654.36 : 190,681,253.01 = 36,243,243.36 : x
  2. Step 2: Convert to fraction form
    127,119,654.36/190,681,253.01 = 36,243,243.36/x
  3. Step 3: Cross multiply
    127,119,654.36x = 190,681,253.01 × 36,243,243.36
  4. Step 4: Simplify right side
    127,119,654.36x = 6,910,907,057,031,162
  5. Step 5: Solve for x
    x = 6,910,907,057,031,162/127,119,654.36
  6. Step 6: Final answer
    x = 54,365,370.11

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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.