Finding the Fourth Proportional to 193,480,863.70, 290,221,295.55 and 193,480,863.70
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Solution
The fourth proportional to 193,480,863.70, 290,221,295.55 and 193,480,863.70 is: 290,221,295.55
Step by Step Solution
- Step 1: Write the proportion equation
193,480,863.70 : 290,221,295.55 = 193,480,863.70 : x - Step 2: Convert to fraction form
193,480,863.70/290,221,295.55 = 193,480,863.70/x - Step 3: Cross multiply
193,480,863.70x = 290,221,295.55 × 193,480,863.70 - Step 4: Simplify right side
193,480,863.70x = 56,152,266,927,146,968 - Step 5: Solve for x
x = 56,152,266,927,146,968/193,480,863.70 - Step 6: Final answer
x = 290,221,295.55
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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.