Finding the Fourth Proportional to 93,497,455.80, 140,246,183.70 and 77,572,207.80
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Solution
The fourth proportional to 93,497,455.80, 140,246,183.70 and 77,572,207.80 is: 116,358,311.70
Step by Step Solution
- Step 1: Write the proportion equation
93,497,455.80 : 140,246,183.70 = 77,572,207.80 : x - Step 2: Convert to fraction form
93,497,455.80/140,246,183.70 = 77,572,207.80/x - Step 3: Cross multiply
93,497,455.80x = 140,246,183.70 × 77,572,207.80 - Step 4: Simplify right side
93,497,455.80x = 10,879,206,105,133,372 - Step 5: Solve for x
x = 10,879,206,105,133,372/93,497,455.80 - Step 6: Final answer
x = 116,358,311.70
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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.