Finding the Fourth Proportional to 119,011,376.19, 178,435,567.09 and 60,605,997.99
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Solution
The fourth proportional to 119,011,376.19, 178,435,567.09 and 60,605,997.99 is: 90,867,494.91
Step by Step Solution
- Step 1: Write the proportion equation
119,011,376.19 : 178,435,567.09 = 60,605,997.99 : x - Step 2: Convert to fraction form
119,011,376.19/178,435,567.09 = 60,605,997.99/x - Step 3: Cross multiply
119,011,376.19x = 178,435,567.09 × 60,605,997.99 - Step 4: Simplify right side
119,011,376.19x = 10,814,265,620,401,050 - Step 5: Solve for x
x = 10,814,265,620,401,050/119,011,376.19 - Step 6: Final answer
x = 90,867,494.91
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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.