Finding the Fourth Proportional to 112,331,430.60, 168,497,145.90 and 94,191,577.80
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Solution
The fourth proportional to 112,331,430.60, 168,497,145.90 and 94,191,577.80 is: 141,287,366.70
Step by Step Solution
- Step 1: Write the proportion equation
112,331,430.60 : 168,497,145.90 = 94,191,577.80 : x - Step 2: Convert to fraction form
112,331,430.60/168,497,145.90 = 94,191,577.80/x - Step 3: Cross multiply
112,331,430.60x = 168,497,145.90 × 94,191,577.80 - Step 4: Simplify right side
112,331,430.60x = 15,871,012,027,117,802 - Step 5: Solve for x
x = 15,871,012,027,117,802/112,331,430.60 - Step 6: Final answer
x = 141,287,366.70
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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.