Finding the Fourth Proportional to 155,038,301.58, 232,545,248.88 and 67,597,755.06
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Solution
The fourth proportional to 155,038,301.58, 232,545,248.88 and 67,597,755.06 is: 101,391,311.79
Step by Step Solution
- Step 1: Write the proportion equation
155,038,301.58 : 232,545,248.88 = 67,597,755.06 : x - Step 2: Convert to fraction form
155,038,301.58/232,545,248.88 = 67,597,755.06/x - Step 3: Cross multiply
155,038,301.58x = 232,545,248.88 × 67,597,755.06 - Step 4: Simplify right side
155,038,301.58x = 15,719,536,774,156,980 - Step 5: Solve for x
x = 15,719,536,774,156,980/155,038,301.58 - Step 6: Final answer
x = 101,391,311.79
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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.