Finding the Fourth Proportional to 155,785,616.02, 214,970,757.79 and 86,153,664.70
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Solution
The fourth proportional to 155,785,616.02, 214,970,757.79 and 86,153,664.70 is: 118,884,650.97
Step by Step Solution
- Step 1: Write the proportion equation
155,785,616.02 : 214,970,757.79 = 86,153,664.70 : x - Step 2: Convert to fraction form
155,785,616.02/214,970,757.79 = 86,153,664.70/x - Step 3: Cross multiply
155,785,616.02x = 214,970,757.79 × 86,153,664.70 - Step 4: Simplify right side
155,785,616.02x = 18,520,518,585,438,948 - Step 5: Solve for x
x = 18,520,518,585,438,948/155,785,616.02 - Step 6: Final answer
x = 118,884,650.97
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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.