Home / 218,501,012.16-301,527,877.75-119,379,631.21

Finding the Fourth Proportional to 218,501,012.16, 301,527,877.75 and 119,379,631.21

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Solution

The fourth proportional to 218,501,012.16, 301,527,877.75 and 119,379,631.21 is: 164,741,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,501,012.16 : 301,527,877.75 = 119,379,631.21 : x
  2. Step 2: Convert to fraction form
    218,501,012.16/301,527,877.75 = 119,379,631.21/x
  3. Step 3: Cross multiply
    218,501,012.16x = 301,527,877.75 × 119,379,631.21
  4. Step 4: Simplify right side
    218,501,012.16x = 35,996,286,844,276,696
  5. Step 5: Solve for x
    x = 35,996,286,844,276,696/218,501,012.16
  6. Step 6: Final answer
    x = 164,741,968.42

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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.