Finding the Fourth Proportional to 59,222,132.64, 81,544,861.08 and 51,838,645.68
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Solution
The fourth proportional to 59,222,132.64, 81,544,861.08 and 51,838,645.68 is: 71,378,300.17
Step by Step Solution
- Step 1: Write the proportion equation
59,222,132.64 : 81,544,861.08 = 51,838,645.68 : x - Step 2: Convert to fraction form
59,222,132.64/81,544,861.08 = 51,838,645.68/x - Step 3: Cross multiply
59,222,132.64x = 81,544,861.08 × 51,838,645.68 - Step 4: Simplify right side
59,222,132.64x = 4,227,175,160,550,942 - Step 5: Solve for x
x = 4,227,175,160,550,942/59,222,132.64 - Step 6: Final answer
x = 71,378,300.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.