Home / 45,311,939.80-67,967,909.70-28,093,251.40

Finding the Fourth Proportional to 45,311,939.80, 67,967,909.70 and 28,093,251.40

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Solution

The fourth proportional to 45,311,939.80, 67,967,909.70 and 28,093,251.40 is: 42,139,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311,939.80 : 67,967,909.70 = 28,093,251.40 : x
  2. Step 2: Convert to fraction form
    45,311,939.80/67,967,909.70 = 28,093,251.40/x
  3. Step 3: Cross multiply
    45,311,939.80x = 67,967,909.70 × 28,093,251.40
  4. Step 4: Simplify right side
    45,311,939.80x = 1,909,439,574,334,598.50
  5. Step 5: Solve for x
    x = 1,909,439,574,334,598.50/45,311,939.80
  6. Step 6: Final answer
    x = 42,139,877.10

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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.