Home / 103,738,457.96-155,468,594.46-80,737,167.08

Finding the Fourth Proportional to 103,738,457.96, 155,468,594.46 and 80,737,167.08

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Solution

The fourth proportional to 103,738,457.96, 155,468,594.46 and 80,737,167.08 is: 120,997,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,738,457.96 : 155,468,594.46 = 80,737,167.08 : x
  2. Step 2: Convert to fraction form
    103,738,457.96/155,468,594.46 = 80,737,167.08/x
  3. Step 3: Cross multiply
    103,738,457.96x = 155,468,594.46 × 80,737,167.08
  4. Step 4: Simplify right side
    103,738,457.96x = 12,552,093,886,609,782
  5. Step 5: Solve for x
    x = 12,552,093,886,609,782/103,738,457.96
  6. Step 6: Final answer
    x = 120,997,498.26

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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.