Finding the Fourth Proportional to 134,788,875.60, 202,183,313.40 and 129,498,085.20
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Solution
The fourth proportional to 134,788,875.60, 202,183,313.40 and 129,498,085.20 is: 194,247,127.80
Step by Step Solution
- Step 1: Write the proportion equation
134,788,875.60 : 202,183,313.40 = 129,498,085.20 : x - Step 2: Convert to fraction form
134,788,875.60/202,183,313.40 = 129,498,085.20/x - Step 3: Cross multiply
134,788,875.60x = 202,183,313.40 × 129,498,085.20 - Step 4: Simplify right side
134,788,875.60x = 26,182,351,944,691,504 - Step 5: Solve for x
x = 26,182,351,944,691,504/134,788,875.60 - Step 6: Final answer
x = 194,247,127.80
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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.