Finding the Fourth Proportional to 242,554,974.80, 363,832,462.20 and 96,916,521.20
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Solution
The fourth proportional to 242,554,974.80, 363,832,462.20 and 96,916,521.20 is: 145,374,781.80
Step by Step Solution
- Step 1: Write the proportion equation
242,554,974.80 : 363,832,462.20 = 96,916,521.20 : x - Step 2: Convert to fraction form
242,554,974.80/363,832,462.20 = 96,916,521.20/x - Step 3: Cross multiply
242,554,974.80x = 363,832,462.20 × 96,916,521.20 - Step 4: Simplify right side
242,554,974.80x = 35,261,376,536,054,500 - Step 5: Solve for x
x = 35,261,376,536,054,500/242,554,974.80 - Step 6: Final answer
x = 145,374,781.80
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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.