Finding the Fourth Proportional to 88,458,368.16, 122,073,154.14 and 49,302,667.62
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Solution
The fourth proportional to 88,458,368.16, 122,073,154.14 and 49,302,667.62 is: 68,038,019.12
Step by Step Solution
- Step 1: Write the proportion equation
88,458,368.16 : 122,073,154.14 = 49,302,667.62 : x - Step 2: Convert to fraction form
88,458,368.16/122,073,154.14 = 49,302,667.62/x - Step 3: Cross multiply
88,458,368.16x = 122,073,154.14 × 49,302,667.62 - Step 4: Simplify right side
88,458,368.16x = 6,018,532,143,889,447 - Step 5: Solve for x
x = 6,018,532,143,889,447/88,458,368.16 - Step 6: Final answer
x = 68,038,019.12
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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.