Home / 225,792,002.80-338,688,004.20-82,166,172.40

Finding the Fourth Proportional to 225,792,002.80, 338,688,004.20 and 82,166,172.40

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Solution

The fourth proportional to 225,792,002.80, 338,688,004.20 and 82,166,172.40 is: 123,249,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,792,002.80 : 338,688,004.20 = 82,166,172.40 : x
  2. Step 2: Convert to fraction form
    225,792,002.80/338,688,004.20 = 82,166,172.40/x
  3. Step 3: Cross multiply
    225,792,002.80x = 338,688,004.20 × 82,166,172.40
  4. Step 4: Simplify right side
    225,792,002.80x = 27,828,696,942,909,124
  5. Step 5: Solve for x
    x = 27,828,696,942,909,124/225,792,002.80
  6. Step 6: Final answer
    x = 123,249,258.60

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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.