Home / 222,438,004.80-333,657,007.20-213,368,078.40

Finding the Fourth Proportional to 222,438,004.80, 333,657,007.20 and 213,368,078.40

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Solution

The fourth proportional to 222,438,004.80, 333,657,007.20 and 213,368,078.40 is: 320,052,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,438,004.80 : 333,657,007.20 = 213,368,078.40 : x
  2. Step 2: Convert to fraction form
    222,438,004.80/333,657,007.20 = 213,368,078.40/x
  3. Step 3: Cross multiply
    222,438,004.80x = 333,657,007.20 × 213,368,078.40
  4. Step 4: Simplify right side
    222,438,004.80x = 71,191,754,470,958,960
  5. Step 5: Solve for x
    x = 71,191,754,470,958,960/222,438,004.80
  6. Step 6: Final answer
    x = 320,052,117.60

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1.5x scale

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.