Finding the Fourth Proportional to 268,860,833.70, 402,283,480.95 and 178,161,569.70
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Solution
The fourth proportional to 268,860,833.70, 402,283,480.95 and 178,161,569.70 is: 266,574,552.51
Step by Step Solution
- Step 1: Write the proportion equation
268,860,833.70 : 402,283,480.95 = 178,161,569.70 : x - Step 2: Convert to fraction form
268,860,833.70/402,283,480.95 = 178,161,569.70/x - Step 3: Cross multiply
268,860,833.70x = 402,283,480.95 × 178,161,569.70 - Step 4: Simplify right side
268,860,833.70x = 71,671,456,430,432,040 - Step 5: Solve for x
x = 71,671,456,430,432,040/268,860,833.70 - Step 6: Final answer
x = 266,574,552.51
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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.