Finding the Fourth Proportional to 97,081,428.96, 133,971,459.84 and 53,028,406.08
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Solution
The fourth proportional to 97,081,428.96, 133,971,459.84 and 53,028,406.08 is: 73,178,702.16
Step by Step Solution
- Step 1: Write the proportion equation
97,081,428.96 : 133,971,459.84 = 53,028,406.08 : x - Step 2: Convert to fraction form
97,081,428.96/133,971,459.84 = 53,028,406.08/x - Step 3: Cross multiply
97,081,428.96x = 133,971,459.84 × 53,028,406.08 - Step 4: Simplify right side
97,081,428.96x = 7,104,292,975,525,932 - Step 5: Solve for x
x = 7,104,292,975,525,932/97,081,428.96 - Step 6: Final answer
x = 73,178,702.16
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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.