Finding the Fourth Proportional to 47,478,686.51, 71,299,531.33 and 29,142,304.63
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Solution
The fourth proportional to 47,478,686.51, 71,299,531.33 and 29,142,304.63 is: 43,763,482.40
Step by Step Solution
- Step 1: Write the proportion equation
47,478,686.51 : 71,299,531.33 = 29,142,304.63 : x - Step 2: Convert to fraction form
47,478,686.51/71,299,531.33 = 29,142,304.63/x - Step 3: Cross multiply
47,478,686.51x = 71,299,531.33 × 29,142,304.63 - Step 4: Simplify right side
47,478,686.51x = 2,077,832,661,638,591.25 - Step 5: Solve for x
x = 2,077,832,661,638,591.25/47,478,686.51 - Step 6: Final answer
x = 43,763,482.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.