Finding the Fourth Proportional to 97,738,772.16, 134,875,810.20 and 54,281,507.52
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Solution
The fourth proportional to 97,738,772.16, 134,875,810.20 and 54,281,507.52 is: 74,906,428.06
Step by Step Solution
- Step 1: Write the proportion equation
97,738,772.16 : 134,875,810.20 = 54,281,507.52 : x - Step 2: Convert to fraction form
97,738,772.16/134,875,810.20 = 54,281,507.52/x - Step 3: Cross multiply
97,738,772.16x = 134,875,810.20 × 54,281,507.52 - Step 4: Simplify right side
97,738,772.16x = 7,321,262,305,637,392 - Step 5: Solve for x
x = 7,321,262,305,637,392/97,738,772.16 - Step 6: Final answer
x = 74,906,428.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.