Finding the Fourth Proportional to 86,509,811.48, 129,748,179.62 and 25,925,537.48
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Solution
The fourth proportional to 86,509,811.48, 129,748,179.62 and 25,925,537.48 is: 38,883,350.18
Step by Step Solution
- Step 1: Write the proportion equation
86,509,811.48 : 129,748,179.62 = 25,925,537.48 : x - Step 2: Convert to fraction form
86,509,811.48/129,748,179.62 = 25,925,537.48/x - Step 3: Cross multiply
86,509,811.48x = 129,748,179.62 × 25,925,537.48 - Step 4: Simplify right side
86,509,811.48x = 3,363,791,293,700,082.50 - Step 5: Solve for x
x = 3,363,791,293,700,082.50/86,509,811.48 - Step 6: Final answer
x = 38,883,350.18
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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.