Finding the Fourth Proportional to 155,423,967.56, 214,503,883.68 and 88,459,208.08
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Solution
The fourth proportional to 155,423,967.56, 214,503,883.68 and 88,459,208.08 is: 122,084,411.94
Step by Step Solution
- Step 1: Write the proportion equation
155,423,967.56 : 214,503,883.68 = 88,459,208.08 : x - Step 2: Convert to fraction form
155,423,967.56/214,503,883.68 = 88,459,208.08/x - Step 3: Cross multiply
155,423,967.56x = 214,503,883.68 × 88,459,208.08 - Step 4: Simplify right side
155,423,967.56x = 18,974,843,680,417,236 - Step 5: Solve for x
x = 18,974,843,680,417,236/155,423,967.56 - Step 6: Final answer
x = 122,084,411.94
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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.