Home / 169,803,003.20-254,704,504.80-72,742,193.60

Finding the Fourth Proportional to 169,803,003.20, 254,704,504.80 and 72,742,193.60

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Solution

The fourth proportional to 169,803,003.20, 254,704,504.80 and 72,742,193.60 is: 109,113,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803,003.20 : 254,704,504.80 = 72,742,193.60 : x
  2. Step 2: Convert to fraction form
    169,803,003.20/254,704,504.80 = 72,742,193.60/x
  3. Step 3: Cross multiply
    169,803,003.20x = 254,704,504.80 × 72,742,193.60
  4. Step 4: Simplify right side
    169,803,003.20x = 18,527,764,398,953,728
  5. Step 5: Solve for x
    x = 18,527,764,398,953,728/169,803,003.20
  6. Step 6: Final answer
    x = 109,113,290.40

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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.