Home / 133,507,342.72-199,902,220.24-84,721,058.88

Finding the Fourth Proportional to 133,507,342.72, 199,902,220.24 and 84,721,058.88

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Solution

The fourth proportional to 133,507,342.72, 199,902,220.24 and 84,721,058.88 is: 126,853,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,507,342.72 : 199,902,220.24 = 84,721,058.88 : x
  2. Step 2: Convert to fraction form
    133,507,342.72/199,902,220.24 = 84,721,058.88/x
  3. Step 3: Cross multiply
    133,507,342.72x = 199,902,220.24 × 84,721,058.88
  4. Step 4: Simplify right side
    133,507,342.72x = 16,935,927,771,195,768
  5. Step 5: Solve for x
    x = 16,935,927,771,195,768/133,507,342.72
  6. Step 6: Final answer
    x = 126,853,905.01

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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.