Finding the Fourth Proportional to 134,752,437.60, 202,128,656.40 and 133,618,696.80
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Solution
The fourth proportional to 134,752,437.60, 202,128,656.40 and 133,618,696.80 is: 200,428,045.20
Step by Step Solution
- Step 1: Write the proportion equation
134,752,437.60 : 202,128,656.40 = 133,618,696.80 : x - Step 2: Convert to fraction form
134,752,437.60/202,128,656.40 = 133,618,696.80/x - Step 3: Cross multiply
134,752,437.60x = 202,128,656.40 × 133,618,696.80 - Step 4: Simplify right side
134,752,437.60x = 27,008,167,654,102,980 - Step 5: Solve for x
x = 27,008,167,654,102,980/134,752,437.60 - Step 6: Final answer
x = 200,428,045.20
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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.