Home / 268,331,527.40-402,497,291.10-159,492,410.60

Finding the Fourth Proportional to 268,331,527.40, 402,497,291.10 and 159,492,410.60

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Solution

The fourth proportional to 268,331,527.40, 402,497,291.10 and 159,492,410.60 is: 239,238,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,331,527.40 : 402,497,291.10 = 159,492,410.60 : x
  2. Step 2: Convert to fraction form
    268,331,527.40/402,497,291.10 = 159,492,410.60/x
  3. Step 3: Cross multiply
    268,331,527.40x = 402,497,291.10 × 159,492,410.60
  4. Step 4: Simplify right side
    268,331,527.40x = 64,195,263,217,508,928
  5. Step 5: Solve for x
    x = 64,195,263,217,508,928/268,331,527.40
  6. Step 6: Final answer
    x = 239,238,615.90

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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.