Home / 218,850,183.60-302,020,412.94-119,728,631.64

Finding the Fourth Proportional to 218,850,183.60, 302,020,412.94 and 119,728,631.64

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Solution

The fourth proportional to 218,850,183.60, 302,020,412.94 and 119,728,631.64 is: 165,229,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,850,183.60 : 302,020,412.94 = 119,728,631.64 : x
  2. Step 2: Convert to fraction form
    218,850,183.60/302,020,412.94 = 119,728,631.64/x
  3. Step 3: Cross multiply
    218,850,183.60x = 302,020,412.94 × 119,728,631.64
  4. Step 4: Simplify right side
    218,850,183.60x = 36,160,490,768,653,952
  5. Step 5: Solve for x
    x = 36,160,490,768,653,952/218,850,183.60
  6. Step 6: Final answer
    x = 165,229,428.52

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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.