Finding the Fourth Proportional to 98,516,336.29, 135,929,989.21 and 58,816,140.48
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Solution
The fourth proportional to 98,516,336.29, 135,929,989.21 and 58,816,140.48 is: 81,152,808.17
Step by Step Solution
- Step 1: Write the proportion equation
98,516,336.29 : 135,929,989.21 = 58,816,140.48 : x - Step 2: Convert to fraction form
98,516,336.29/135,929,989.21 = 58,816,140.48/x - Step 3: Cross multiply
98,516,336.29x = 135,929,989.21 × 58,816,140.48 - Step 4: Simplify right side
98,516,336.29x = 7,994,877,340,820,244 - Step 5: Solve for x
x = 7,994,877,340,820,244/98,516,336.29 - Step 6: Final answer
x = 81,152,808.17
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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.