Finding the Fourth Proportional to 85,817,295.63, 118,431,916.71 and 48,648,296.28
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Solution
The fourth proportional to 85,817,295.63, 118,431,916.71 and 48,648,296.28 is: 67,136,944.03
Step by Step Solution
- Step 1: Write the proportion equation
85,817,295.63 : 118,431,916.71 = 48,648,296.28 : x - Step 2: Convert to fraction form
85,817,295.63/118,431,916.71 = 48,648,296.28/x - Step 3: Cross multiply
85,817,295.63x = 118,431,916.71 × 48,648,296.28 - Step 4: Simplify right side
85,817,295.63x = 5,761,510,973,116,363 - Step 5: Solve for x
x = 5,761,510,973,116,363/85,817,295.63 - Step 6: Final answer
x = 67,136,944.03
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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.