Home / 180,439,074.36-248,963,243.40-102,122,627.76

Finding the Fourth Proportional to 180,439,074.36, 248,963,243.40 and 102,122,627.76

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Solution

The fourth proportional to 180,439,074.36, 248,963,243.40 and 102,122,627.76 is: 140,905,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,439,074.36 : 248,963,243.40 = 102,122,627.76 : x
  2. Step 2: Convert to fraction form
    180,439,074.36/248,963,243.40 = 102,122,627.76/x
  3. Step 3: Cross multiply
    180,439,074.36x = 248,963,243.40 × 102,122,627.76
  4. Step 4: Simplify right side
    180,439,074.36x = 25,424,780,631,660,480
  5. Step 5: Solve for x
    x = 25,424,780,631,660,480/180,439,074.36
  6. Step 6: Final answer
    x = 140,905,071.26

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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.