Finding the Fourth Proportional to 228,696,879.07, 315,606,365.18 and 124,281,676.63
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Solution
The fourth proportional to 228,696,879.07, 315,606,365.18 and 124,281,676.63 is: 171,511,252.71
Step by Step Solution
- Step 1: Write the proportion equation
228,696,879.07 : 315,606,365.18 = 124,281,676.63 : x - Step 2: Convert to fraction form
228,696,879.07/315,606,365.18 = 124,281,676.63/x - Step 3: Cross multiply
228,696,879.07x = 315,606,365.18 × 124,281,676.63 - Step 4: Simplify right side
228,696,879.07x = 39,224,088,219,670,448 - Step 5: Solve for x
x = 39,224,088,219,670,448/228,696,879.07 - Step 6: Final answer
x = 171,511,252.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.