Home / 284,110,838.76-426,185,503.74-99,855,913.80

Finding the Fourth Proportional to 284,110,838.76, 426,185,503.74 and 99,855,913.80

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Solution

The fourth proportional to 284,110,838.76, 426,185,503.74 and 99,855,913.80 is: 149,790,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,110,838.76 : 426,185,503.74 = 99,855,913.80 : x
  2. Step 2: Convert to fraction form
    284,110,838.76/426,185,503.74 = 99,855,913.80/x
  3. Step 3: Cross multiply
    284,110,838.76x = 426,185,503.74 × 99,855,913.80
  4. Step 4: Simplify right side
    284,110,838.76x = 42,557,142,924,271,016
  5. Step 5: Solve for x
    x = 42,557,142,924,271,016/284,110,838.76
  6. Step 6: Final answer
    x = 149,790,634.92

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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.