Finding the Fourth Proportional to 239,754,624.13, 330,860,164.89 and 129,746,337.13
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Solution
The fourth proportional to 239,754,624.13, 330,860,164.89 and 129,746,337.13 is: 179,049,286.96
Step by Step Solution
- Step 1: Write the proportion equation
239,754,624.13 : 330,860,164.89 = 129,746,337.13 : x - Step 2: Convert to fraction form
239,754,624.13/330,860,164.89 = 129,746,337.13/x - Step 3: Cross multiply
239,754,624.13x = 330,860,164.89 × 129,746,337.13 - Step 4: Simplify right side
239,754,624.13x = 42,927,894,496,705,328 - Step 5: Solve for x
x = 42,927,894,496,705,328/239,754,624.13 - Step 6: Final answer
x = 179,049,286.96
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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.