Finding the Fourth Proportional to 161,706,117.90, 242,559,176.85 and 88,894,764.30
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Solution
The fourth proportional to 161,706,117.90, 242,559,176.85 and 88,894,764.30 is: 133,342,146.45
Step by Step Solution
- Step 1: Write the proportion equation
161,706,117.90 : 242,559,176.85 = 88,894,764.30 : x - Step 2: Convert to fraction form
161,706,117.90/242,559,176.85 = 88,894,764.30/x - Step 3: Cross multiply
161,706,117.90x = 242,559,176.85 × 88,894,764.30 - Step 4: Simplify right side
161,706,117.90x = 21,562,240,854,882,764 - Step 5: Solve for x
x = 21,562,240,854,882,764/161,706,117.90 - Step 6: Final answer
x = 133,342,146.45
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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.