Home / 149,321,888.90-206,076,471.62-82,353,946.58

Finding the Fourth Proportional to 149,321,888.90, 206,076,471.62 and 82,353,946.58

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Solution

The fourth proportional to 149,321,888.90, 206,076,471.62 and 82,353,946.58 is: 113,655,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,321,888.90 : 206,076,471.62 = 82,353,946.58 : x
  2. Step 2: Convert to fraction form
    149,321,888.90/206,076,471.62 = 82,353,946.58/x
  3. Step 3: Cross multiply
    149,321,888.90x = 206,076,471.62 × 82,353,946.58
  4. Step 4: Simplify right side
    149,321,888.90x = 16,971,210,733,746,216
  5. Step 5: Solve for x
    x = 16,971,210,733,746,216/149,321,888.90
  6. Step 6: Final answer
    x = 113,655,210.63

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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.