Finding the Fourth Proportional to 212,968,694,335.68, 319,472,679,719.60 and 69,548,474,242.57
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Solution
The fourth proportional to 212,968,694,335.68, 319,472,679,719.60 and 69,548,474,242.57 is: 104,329,124,550.40
Step by Step Solution
- Step 1: Write the proportion equation
212,968,694,335.68 : 319,472,679,719.60 = 69,548,474,242.57 : x - Step 2: Convert to fraction form
212,968,694,335.68/319,472,679,719.60 = 69,548,474,242.57/x - Step 3: Cross multiply
212,968,694,335.68x = 319,472,679,719.60 × 69,548,474,242.57 - Step 4: Simplify right side
212,968,694,335.68x = 22,218,837,436,683,415,191,552 - Step 5: Solve for x
x = 22,218,837,436,683,415,191,552/212,968,694,335.68 - Step 6: Final answer
x = 104,329,124,550.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.