Finding the Fourth Proportional to 190,914,417.68, 286,254,424.47 and 74,193,485.47
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Solution
The fourth proportional to 190,914,417.68, 286,254,424.47 and 74,193,485.47 is: 111,244,680.95
Step by Step Solution
- Step 1: Write the proportion equation
190,914,417.68 : 286,254,424.47 = 74,193,485.47 : x - Step 2: Convert to fraction form
190,914,417.68/286,254,424.47 = 74,193,485.47/x - Step 3: Cross multiply
190,914,417.68x = 286,254,424.47 × 74,193,485.47 - Step 4: Simplify right side
190,914,417.68x = 21,238,213,482,638,160 - Step 5: Solve for x
x = 21,238,213,482,638,160/190,914,417.68 - Step 6: Final answer
x = 111,244,680.95
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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.