Home / 79,268,803.20-118,903,204.80-45,256,579.20

Finding the Fourth Proportional to 79,268,803.20, 118,903,204.80 and 45,256,579.20

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Solution

The fourth proportional to 79,268,803.20, 118,903,204.80 and 45,256,579.20 is: 67,884,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268,803.20 : 118,903,204.80 = 45,256,579.20 : x
  2. Step 2: Convert to fraction form
    79,268,803.20/118,903,204.80 = 45,256,579.20/x
  3. Step 3: Cross multiply
    79,268,803.20x = 118,903,204.80 × 45,256,579.20
  4. Step 4: Simplify right side
    79,268,803.20x = 5,381,152,305,165,020
  5. Step 5: Solve for x
    x = 5,381,152,305,165,020/79,268,803.20
  6. Step 6: Final answer
    x = 67,884,868.80

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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.