Finding the Fourth Proportional to 56,688,710.40, 79,515,360 and 56,688,710.40
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Solution
The fourth proportional to 56,688,710.40, 79,515,360 and 56,688,710.40 is: 79,515,360
Step by Step Solution
- Step 1: Write the proportion equation
56,688,710.40 : 79,515,360 = 56,688,710.40 : x - Step 2: Convert to fraction form
56,688,710.40/79,515,360 = 56,688,710.40/x - Step 3: Cross multiply
56,688,710.40x = 79,515,360 × 56,688,710.40 - Step 4: Simplify right side
56,688,710.40x = 4,507,623,215,391,744 - Step 5: Solve for x
x = 4,507,623,215,391,744/56,688,710.40 - Step 6: Final answer
x = 79,515,360
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.