Home / 266,223,232.98-401,152,019.16-218,764,223.08

Finding the Fourth Proportional to 266,223,232.98, 401,152,019.16 and 218,764,223.08

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Solution

The fourth proportional to 266,223,232.98, 401,152,019.16 and 218,764,223.08 is: 329,639,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,223,232.98 : 401,152,019.16 = 218,764,223.08 : x
  2. Step 2: Convert to fraction form
    266,223,232.98/401,152,019.16 = 218,764,223.08/x
  3. Step 3: Cross multiply
    266,223,232.98x = 401,152,019.16 × 218,764,223.08
  4. Step 4: Simplify right side
    266,223,232.98x = 87,757,709,808,328,160
  5. Step 5: Solve for x
    x = 87,757,709,808,328,160/266,223,232.98
  6. Step 6: Final answer
    x = 329,639,561.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.