Finding the Fourth Proportional to 161,706,212.90, 242,559,319.35 and 88,894,859.30
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Solution
The fourth proportional to 161,706,212.90, 242,559,319.35 and 88,894,859.30 is: 133,342,288.95
Step by Step Solution
- Step 1: Write the proportion equation
161,706,212.90 : 242,559,319.35 = 88,894,859.30 : x - Step 2: Convert to fraction form
161,706,212.90/242,559,319.35 = 88,894,859.30/x - Step 3: Cross multiply
161,706,212.90x = 242,559,319.35 × 88,894,859.30 - Step 4: Simplify right side
161,706,212.90x = 21,562,276,565,522,016 - Step 5: Solve for x
x = 21,562,276,565,522,016/161,706,212.90 - Step 6: Final answer
x = 133,342,288.95
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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.