Finding the Fourth Proportional to 155,585,845.08, 214,720,710.78 and 88,607,629.98
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Solution
The fourth proportional to 155,585,845.08, 214,720,710.78 and 88,607,629.98 is: 122,285,502.77
Step by Step Solution
- Step 1: Write the proportion equation
155,585,845.08 : 214,720,710.78 = 88,607,629.98 : x - Step 2: Convert to fraction form
155,585,845.08/214,720,710.78 = 88,607,629.98/x - Step 3: Cross multiply
155,585,845.08x = 214,720,710.78 × 88,607,629.98 - Step 4: Simplify right side
155,585,845.08x = 19,025,893,289,836,840 - Step 5: Solve for x
x = 19,025,893,289,836,840/155,585,845.08 - Step 6: Final answer
x = 122,285,502.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.