Finding the Fourth Proportional to 153,920,374.77, 231,248,891.36 and 98,696,405.95
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Solution
The fourth proportional to 153,920,374.77, 231,248,891.36 and 98,696,405.95 is: 148,280,787.97
Step by Step Solution
- Step 1: Write the proportion equation
153,920,374.77 : 231,248,891.36 = 98,696,405.95 : x - Step 2: Convert to fraction form
153,920,374.77/231,248,891.36 = 98,696,405.95/x - Step 3: Cross multiply
153,920,374.77x = 231,248,891.36 × 98,696,405.95 - Step 4: Simplify right side
153,920,374.77x = 22,823,434,456,822,628 - Step 5: Solve for x
x = 22,823,434,456,822,628/153,920,374.77 - Step 6: Final answer
x = 148,280,787.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.