Finding the Fourth Proportional to 68,719,363.84, 102,854,744.32 and 50,518,740.48
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Solution
The fourth proportional to 68,719,363.84, 102,854,744.32 and 50,518,740.48 is: 75,613,216.50
Step by Step Solution
- Step 1: Write the proportion equation
68,719,363.84 : 102,854,744.32 = 50,518,740.48 : x - Step 2: Convert to fraction form
68,719,363.84/102,854,744.32 = 50,518,740.48/x - Step 3: Cross multiply
68,719,363.84x = 102,854,744.32 × 50,518,740.48 - Step 4: Simplify right side
68,719,363.84x = 5,196,092,135,438,833 - Step 5: Solve for x
x = 5,196,092,135,438,833/68,719,363.84 - Step 6: Final answer
x = 75,613,216.50
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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.