Home / 108,461,721.36-149,698,900.26-64,433,179.52

Finding the Fourth Proportional to 108,461,721.36, 149,698,900.26 and 64,433,179.52

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Solution

The fourth proportional to 108,461,721.36, 149,698,900.26 and 64,433,179.52 is: 88,930,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461,721.36 : 149,698,900.26 = 64,433,179.52 : x
  2. Step 2: Convert to fraction form
    108,461,721.36/149,698,900.26 = 64,433,179.52/x
  3. Step 3: Cross multiply
    108,461,721.36x = 149,698,900.26 × 64,433,179.52
  4. Step 4: Simplify right side
    108,461,721.36x = 9,645,576,113,650,660
  5. Step 5: Solve for x
    x = 9,645,576,113,650,660/108,461,721.36
  6. Step 6: Final answer
    x = 88,930,693.64

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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.