Home / 80,457,429.20-120,686,143.80-26,604,741.20

Finding the Fourth Proportional to 80,457,429.20, 120,686,143.80 and 26,604,741.20

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Solution

The fourth proportional to 80,457,429.20, 120,686,143.80 and 26,604,741.20 is: 39,907,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457,429.20 : 120,686,143.80 = 26,604,741.20 : x
  2. Step 2: Convert to fraction form
    80,457,429.20/120,686,143.80 = 26,604,741.20/x
  3. Step 3: Cross multiply
    80,457,429.20x = 120,686,143.80 × 26,604,741.20
  4. Step 4: Simplify right side
    80,457,429.20x = 3,210,823,622,224,984.50
  5. Step 5: Solve for x
    x = 3,210,823,622,224,984.50/80,457,429.20
  6. Step 6: Final answer
    x = 39,907,111.80

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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.