Home / 208,027,926.80-312,041,890.20-105,991,254.80

Finding the Fourth Proportional to 208,027,926.80, 312,041,890.20 and 105,991,254.80

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Solution

The fourth proportional to 208,027,926.80, 312,041,890.20 and 105,991,254.80 is: 158,986,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,027,926.80 : 312,041,890.20 = 105,991,254.80 : x
  2. Step 2: Convert to fraction form
    208,027,926.80/312,041,890.20 = 105,991,254.80/x
  3. Step 3: Cross multiply
    208,027,926.80x = 312,041,890.20 × 105,991,254.80
  4. Step 4: Simplify right side
    208,027,926.80x = 33,073,711,492,461,820
  5. Step 5: Solve for x
    x = 33,073,711,492,461,820/208,027,926.80
  6. Step 6: Final answer
    x = 158,986,882.20

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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.