Home / 108,049,356-149,122,341.36-61,628,968.80

Finding the Fourth Proportional to 108,049,356, 149,122,341.36 and 61,628,968.80

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Solution

The fourth proportional to 108,049,356, 149,122,341.36 and 61,628,968.80 is: 85,056,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,049,356 : 149,122,341.36 = 61,628,968.80 : x
  2. Step 2: Convert to fraction form
    108,049,356/149,122,341.36 = 61,628,968.80/x
  3. Step 3: Cross multiply
    108,049,356x = 149,122,341.36 × 61,628,968.80
  4. Step 4: Simplify right side
    108,049,356x = 9,190,256,123,058,390
  5. Step 5: Solve for x
    x = 9,190,256,123,058,390/108,049,356
  6. Step 6: Final answer
    x = 85,056,093.47

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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.