Home / 153,586,884.42-211,945,830.93-90,866,217.60

Finding the Fourth Proportional to 153,586,884.42, 211,945,830.93 and 90,866,217.60

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Solution

The fourth proportional to 153,586,884.42, 211,945,830.93 and 90,866,217.60 is: 125,392,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,586,884.42 : 211,945,830.93 = 90,866,217.60 : x
  2. Step 2: Convert to fraction form
    153,586,884.42/211,945,830.93 = 90,866,217.60/x
  3. Step 3: Cross multiply
    153,586,884.42x = 211,945,830.93 × 90,866,217.60
  4. Step 4: Simplify right side
    153,586,884.42x = 19,258,715,992,698,188
  5. Step 5: Solve for x
    x = 19,258,715,992,698,188/153,586,884.42
  6. Step 6: Final answer
    x = 125,392,972.62

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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.