Home / 169,803,002.20-254,704,503.30-72,742,192.60

Finding the Fourth Proportional to 169,803,002.20, 254,704,503.30 and 72,742,192.60

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Solution

The fourth proportional to 169,803,002.20, 254,704,503.30 and 72,742,192.60 is: 109,113,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803,002.20 : 254,704,503.30 = 72,742,192.60 : x
  2. Step 2: Convert to fraction form
    169,803,002.20/254,704,503.30 = 72,742,192.60/x
  3. Step 3: Cross multiply
    169,803,002.20x = 254,704,503.30 × 72,742,192.60
  4. Step 4: Simplify right side
    169,803,002.20x = 18,527,764,035,135,936
  5. Step 5: Solve for x
    x = 18,527,764,035,135,936/169,803,002.20
  6. Step 6: Final answer
    x = 109,113,288.90

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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.