Home / 121,824,014.70-182,736,022.05-103,684,161.90

Finding the Fourth Proportional to 121,824,014.70, 182,736,022.05 and 103,684,161.90

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Solution

The fourth proportional to 121,824,014.70, 182,736,022.05 and 103,684,161.90 is: 155,526,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,824,014.70 : 182,736,022.05 = 103,684,161.90 : x
  2. Step 2: Convert to fraction form
    121,824,014.70/182,736,022.05 = 103,684,161.90/x
  3. Step 3: Cross multiply
    121,824,014.70x = 182,736,022.05 × 103,684,161.90
  4. Step 4: Simplify right side
    121,824,014.70x = 18,946,831,295,194,172
  5. Step 5: Solve for x
    x = 18,946,831,295,194,172/121,824,014.70
  6. Step 6: Final answer
    x = 155,526,242.85

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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.