Finding the Fourth Proportional to 77,202,201, 115,778,758.62 and 25,374,849.96
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Solution
The fourth proportional to 77,202,201, 115,778,758.62 and 25,374,849.96 is: 38,054,208.18
Step by Step Solution
- Step 1: Write the proportion equation
77,202,201 : 115,778,758.62 = 25,374,849.96 : x - Step 2: Convert to fraction form
77,202,201/115,778,758.62 = 25,374,849.96/x - Step 3: Cross multiply
77,202,201x = 115,778,758.62 × 25,374,849.96 - Step 4: Simplify right side
77,202,201x = 2,937,868,628,537,557 - Step 5: Solve for x
x = 2,937,868,628,537,557/77,202,201 - Step 6: Final answer
x = 38,054,208.18
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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.