Finding the Fourth Proportional to 144,011,210.96, 198,686,821.86 and 93,752,544.96
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Solution
The fourth proportional to 144,011,210.96, 198,686,821.86 and 93,752,544.96 is: 129,346,840.95
Step by Step Solution
- Step 1: Write the proportion equation
144,011,210.96 : 198,686,821.86 = 93,752,544.96 : x - Step 2: Convert to fraction form
144,011,210.96/198,686,821.86 = 93,752,544.96/x - Step 3: Cross multiply
144,011,210.96x = 198,686,821.86 × 93,752,544.96 - Step 4: Simplify right side
144,011,210.96x = 18,627,395,199,389,160 - Step 5: Solve for x
x = 18,627,395,199,389,160/144,011,210.96 - Step 6: Final answer
x = 129,346,840.95
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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.