Home / 285,210,313.65-393,624,989.10-167,729,966.19

Finding the Fourth Proportional to 285,210,313.65, 393,624,989.10 and 167,729,966.19

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Solution

The fourth proportional to 285,210,313.65, 393,624,989.10 and 167,729,966.19 is: 231,487,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,210,313.65 : 393,624,989.10 = 167,729,966.19 : x
  2. Step 2: Convert to fraction form
    285,210,313.65/393,624,989.10 = 167,729,966.19/x
  3. Step 3: Cross multiply
    285,210,313.65x = 393,624,989.10 × 167,729,966.19
  4. Step 4: Simplify right side
    285,210,313.65x = 66,022,706,113,282,120
  5. Step 5: Solve for x
    x = 66,022,706,113,282,120/285,210,313.65
  6. Step 6: Final answer
    x = 231,487,793.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.