Home / 139,324,737.60-209,210,180.40-110,808,007.20

Finding the Fourth Proportional to 139,324,737.60, 209,210,180.40 and 110,808,007.20

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Solution

The fourth proportional to 139,324,737.60, 209,210,180.40 and 110,808,007.20 is: 166,389,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,324,737.60 : 209,210,180.40 = 110,808,007.20 : x
  2. Step 2: Convert to fraction form
    139,324,737.60/209,210,180.40 = 110,808,007.20/x
  3. Step 3: Cross multiply
    139,324,737.60x = 209,210,180.40 × 110,808,007.20
  4. Step 4: Simplify right side
    139,324,737.60x = 23,182,163,176,076,500
  5. Step 5: Solve for x
    x = 23,182,163,176,076,500/139,324,737.60
  6. Step 6: Final answer
    x = 166,389,426.42

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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.