Finding the Fourth Proportional to 70,684,231.05, 106,014,536.78 and 19,571,416.65
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Solution
The fourth proportional to 70,684,231.05, 106,014,536.78 and 19,571,416.65 is: 29,353,855.02
Step by Step Solution
- Step 1: Write the proportion equation
70,684,231.05 : 106,014,536.78 = 19,571,416.65 : x - Step 2: Convert to fraction form
70,684,231.05/106,014,536.78 = 19,571,416.65/x - Step 3: Cross multiply
70,684,231.05x = 106,014,536.78 × 19,571,416.65 - Step 4: Simplify right side
70,684,231.05x = 2,074,854,670,180,272.25 - Step 5: Solve for x
x = 2,074,854,670,180,272.25/70,684,231.05 - Step 6: Final answer
x = 29,353,855.02
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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.