Finding the Fourth Proportional to 102,106,808.04, 140,908,294.35 and 55,697,268.36
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Solution
The fourth proportional to 102,106,808.04, 140,908,294.35 and 55,697,268.36 is: 76,862,720.86
Step by Step Solution
- Step 1: Write the proportion equation
102,106,808.04 : 140,908,294.35 = 55,697,268.36 : x - Step 2: Convert to fraction form
102,106,808.04/140,908,294.35 = 55,697,268.36/x - Step 3: Cross multiply
102,106,808.04x = 140,908,294.35 × 55,697,268.36 - Step 4: Simplify right side
102,106,808.04x = 7,848,207,084,561,821 - Step 5: Solve for x
x = 7,848,207,084,561,821/102,106,808.04 - Step 6: Final answer
x = 76,862,720.86
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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.