Home / 103,424,816.76-142,726,679.28-57,014,052.36

Finding the Fourth Proportional to 103,424,816.76, 142,726,679.28 and 57,014,052.36

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Solution

The fourth proportional to 103,424,816.76, 142,726,679.28 and 57,014,052.36 is: 78,679,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,424,816.76 : 142,726,679.28 = 57,014,052.36 : x
  2. Step 2: Convert to fraction form
    103,424,816.76/142,726,679.28 = 57,014,052.36/x
  3. Step 3: Cross multiply
    103,424,816.76x = 142,726,679.28 × 57,014,052.36
  4. Step 4: Simplify right side
    103,424,816.76x = 8,137,426,365,638,847
  5. Step 5: Solve for x
    x = 8,137,426,365,638,847/103,424,816.76
  6. Step 6: Final answer
    x = 78,679,630.48

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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.