Home / 80,457,435.20-120,686,152.80-26,604,747.20

Finding the Fourth Proportional to 80,457,435.20, 120,686,152.80 and 26,604,747.20

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Solution

The fourth proportional to 80,457,435.20, 120,686,152.80 and 26,604,747.20 is: 39,907,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457,435.20 : 120,686,152.80 = 26,604,747.20 : x
  2. Step 2: Convert to fraction form
    80,457,435.20/120,686,152.80 = 26,604,747.20/x
  3. Step 3: Cross multiply
    80,457,435.20x = 120,686,152.80 × 26,604,747.20
  4. Step 4: Simplify right side
    80,457,435.20x = 3,210,824,585,784,572
  5. Step 5: Solve for x
    x = 3,210,824,585,784,572/80,457,435.20
  6. Step 6: Final answer
    x = 39,907,120.80

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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.