Finding the Fourth Proportional to 102,315,437.80, 153,473,156.70 and 102,315,437.80
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Solution
The fourth proportional to 102,315,437.80, 153,473,156.70 and 102,315,437.80 is: 153,473,156.70
Step by Step Solution
- Step 1: Write the proportion equation
102,315,437.80 : 153,473,156.70 = 102,315,437.80 : x - Step 2: Convert to fraction form
102,315,437.80/153,473,156.70 = 102,315,437.80/x - Step 3: Cross multiply
102,315,437.80x = 153,473,156.70 × 102,315,437.80 - Step 4: Simplify right side
102,315,437.80x = 15,702,673,218,308,502 - Step 5: Solve for x
x = 15,702,673,218,308,502/102,315,437.80 - Step 6: Final answer
x = 153,473,156.70
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1.5x scale
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.