Home / 64,513,427.40-96,770,141.10-19,071,174.60

Finding the Fourth Proportional to 64,513,427.40, 96,770,141.10 and 19,071,174.60

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Solution

The fourth proportional to 64,513,427.40, 96,770,141.10 and 19,071,174.60 is: 28,606,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,427.40 : 96,770,141.10 = 19,071,174.60 : x
  2. Step 2: Convert to fraction form
    64,513,427.40/96,770,141.10 = 19,071,174.60/x
  3. Step 3: Cross multiply
    64,513,427.40x = 96,770,141.10 × 19,071,174.60
  4. Step 4: Simplify right side
    64,513,427.40x = 1,845,520,256,984,736
  5. Step 5: Solve for x
    x = 1,845,520,256,984,736/64,513,427.40
  6. Step 6: Final answer
    x = 28,606,761.90

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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.