Home / 217,151,391.61-299,670,926.52-118,032,372.19

Finding the Fourth Proportional to 217,151,391.61, 299,670,926.52 and 118,032,372.19

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Solution

The fourth proportional to 217,151,391.61, 299,670,926.52 and 118,032,372.19 is: 162,885,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,151,391.61 : 299,670,926.52 = 118,032,372.19 : x
  2. Step 2: Convert to fraction form
    217,151,391.61/299,670,926.52 = 118,032,372.19/x
  3. Step 3: Cross multiply
    217,151,391.61x = 299,670,926.52 × 118,032,372.19
  4. Step 4: Simplify right side
    217,151,391.61x = 35,370,870,333,530,780
  5. Step 5: Solve for x
    x = 35,370,870,333,530,780/217,151,391.61
  6. Step 6: Final answer
    x = 162,885,764.03

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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.