Finding the Fourth Proportional to 97,136,642.57, 134,048,916.86 and 53,083,646.63
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Solution
The fourth proportional to 97,136,642.57, 134,048,916.86 and 53,083,646.63 is: 73,255,623.67
Step by Step Solution
- Step 1: Write the proportion equation
97,136,642.57 : 134,048,916.86 = 53,083,646.63 : x - Step 2: Convert to fraction form
97,136,642.57/134,048,916.86 = 53,083,646.63/x - Step 3: Cross multiply
97,136,642.57x = 134,048,916.86 × 53,083,646.63 - Step 4: Simplify right side
97,136,642.57x = 7,115,805,332,794,827 - Step 5: Solve for x
x = 7,115,805,332,794,827/97,136,642.57 - Step 6: Final answer
x = 73,255,623.67
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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.