Home / 108,135,731.76-149,224,233.48-63,480,986.88

Finding the Fourth Proportional to 108,135,731.76, 149,224,233.48 and 63,480,986.88

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Solution

The fourth proportional to 108,135,731.76, 149,224,233.48 and 63,480,986.88 is: 87,601,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,135,731.76 : 149,224,233.48 = 63,480,986.88 : x
  2. Step 2: Convert to fraction form
    108,135,731.76/149,224,233.48 = 63,480,986.88/x
  3. Step 3: Cross multiply
    108,135,731.76x = 149,224,233.48 × 63,480,986.88
  4. Step 4: Simplify right side
    108,135,731.76x = 9,472,901,607,721,936
  5. Step 5: Solve for x
    x = 9,472,901,607,721,936/108,135,731.76
  6. Step 6: Final answer
    x = 87,601,955.93

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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.