Finding the Fourth Proportional to 147,478,991,269.98, 203,518,842,008.88 and 82,374,368,679.38
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Solution
The fourth proportional to 147,478,991,269.98, 203,518,842,008.88 and 82,374,368,679.38 is: 113,675,418,990.02
Step by Step Solution
- Step 1: Write the proportion equation
147,478,991,269.98 : 203,518,842,008.88 = 82,374,368,679.38 : x - Step 2: Convert to fraction form
147,478,991,269.98/203,518,842,008.88 = 82,374,368,679.38/x - Step 3: Cross multiply
147,478,991,269.98x = 203,518,842,008.88 × 82,374,368,679.38 - Step 4: Simplify right side
147,478,991,269.98x = 16,764,736,124,839,973,093,376 - Step 5: Solve for x
x = 16,764,736,124,839,973,093,376/147,478,991,269.98 - Step 6: Final answer
x = 113,675,418,990.02
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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.