Home / 50,979,070.71-70,359,554.75-30,076,213.71

Finding the Fourth Proportional to 50,979,070.71, 70,359,554.75 and 30,076,213.71

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Solution

The fourth proportional to 50,979,070.71, 70,359,554.75 and 30,076,213.71 is: 41,510,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979,070.71 : 70,359,554.75 = 30,076,213.71 : x
  2. Step 2: Convert to fraction form
    50,979,070.71/70,359,554.75 = 30,076,213.71/x
  3. Step 3: Cross multiply
    50,979,070.71x = 70,359,554.75 × 30,076,213.71
  4. Step 4: Simplify right side
    50,979,070.71x = 2,116,149,004,975,001.75
  5. Step 5: Solve for x
    x = 2,116,149,004,975,001.75/50,979,070.71
  6. Step 6: Final answer
    x = 41,510,152.61

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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.