Home / 126,982,172.38-190,427,587.59-43,961,381.98

Finding the Fourth Proportional to 126,982,172.38, 190,427,587.59 and 43,961,381.98

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Solution

The fourth proportional to 126,982,172.38, 190,427,587.59 and 43,961,381.98 is: 65,926,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982,172.38 : 190,427,587.59 = 43,961,381.98 : x
  2. Step 2: Convert to fraction form
    126,982,172.38/190,427,587.59 = 43,961,381.98/x
  3. Step 3: Cross multiply
    126,982,172.38x = 190,427,587.59 × 43,961,381.98
  4. Step 4: Simplify right side
    126,982,172.38x = 8,371,459,917,573,897
  5. Step 5: Solve for x
    x = 8,371,459,917,573,897/126,982,172.38
  6. Step 6: Final answer
    x = 65,926,261.62

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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.