Home / 199,287,743.70-298,931,615.55-122,361,330.90

Finding the Fourth Proportional to 199,287,743.70, 298,931,615.55 and 122,361,330.90

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Solution

The fourth proportional to 199,287,743.70, 298,931,615.55 and 122,361,330.90 is: 183,541,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,287,743.70 : 298,931,615.55 = 122,361,330.90 : x
  2. Step 2: Convert to fraction form
    199,287,743.70/298,931,615.55 = 122,361,330.90/x
  3. Step 3: Cross multiply
    199,287,743.70x = 298,931,615.55 × 122,361,330.90
  4. Step 4: Simplify right side
    199,287,743.70x = 36,577,670,326,785,136
  5. Step 5: Solve for x
    x = 36,577,670,326,785,136/199,287,743.70
  6. Step 6: Final answer
    x = 183,541,996.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.