Finding the Fourth Proportional to 128,317,400.16, 192,399,235.08 and 40,841,132.04
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Solution
The fourth proportional to 128,317,400.16, 192,399,235.08 and 40,841,132.04 is: 61,237,233.26
Step by Step Solution
- Step 1: Write the proportion equation
128,317,400.16 : 192,399,235.08 = 40,841,132.04 : x - Step 2: Convert to fraction form
128,317,400.16/192,399,235.08 = 40,841,132.04/x - Step 3: Cross multiply
128,317,400.16x = 192,399,235.08 × 40,841,132.04 - Step 4: Simplify right side
128,317,400.16x = 7,857,802,564,297,280 - Step 5: Solve for x
x = 7,857,802,564,297,280/128,317,400.16 - Step 6: Final answer
x = 61,237,233.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.