Finding the Fourth Proportional to 160,357,185.62, 221,292,916.17 and 87,018,327.62
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Solution
The fourth proportional to 160,357,185.62, 221,292,916.17 and 87,018,327.62 is: 120,085,292.12
Step by Step Solution
- Step 1: Write the proportion equation
160,357,185.62 : 221,292,916.17 = 87,018,327.62 : x - Step 2: Convert to fraction form
160,357,185.62/221,292,916.17 = 87,018,327.62/x - Step 3: Cross multiply
160,357,185.62x = 221,292,916.17 × 87,018,327.62 - Step 4: Simplify right side
160,357,185.62x = 19,256,539,479,266,256 - Step 5: Solve for x
x = 19,256,539,479,266,256/160,357,185.62 - Step 6: Final answer
x = 120,085,292.12
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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.