Home / 222,437,937.80-333,656,906.70-213,368,011.40

Finding the Fourth Proportional to 222,437,937.80, 333,656,906.70 and 213,368,011.40

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Solution

The fourth proportional to 222,437,937.80, 333,656,906.70 and 213,368,011.40 is: 320,052,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,437,937.80 : 333,656,906.70 = 213,368,011.40 : x
  2. Step 2: Convert to fraction form
    222,437,937.80/333,656,906.70 = 213,368,011.40/x
  3. Step 3: Cross multiply
    222,437,937.80x = 333,656,906.70 × 213,368,011.40
  4. Step 4: Simplify right side
    222,437,937.80x = 71,191,710,672,454,336
  5. Step 5: Solve for x
    x = 71,191,710,672,454,336/222,437,937.80
  6. Step 6: Final answer
    x = 320,052,017.10

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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.