Finding the Fourth Proportional to 74,889,827.30, 112,386,888.57 and 26,371,589.09
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Solution
The fourth proportional to 74,889,827.30, 112,386,888.57 and 26,371,589.09 is: 39,575,746.82
Step by Step Solution
- Step 1: Write the proportion equation
74,889,827.30 : 112,386,888.57 = 26,371,589.09 : x - Step 2: Convert to fraction form
74,889,827.30/112,386,888.57 = 26,371,589.09/x - Step 3: Cross multiply
74,889,827.30x = 112,386,888.57 × 26,371,589.09 - Step 4: Simplify right side
74,889,827.30x = 2,963,820,844,471,657.50 - Step 5: Solve for x
x = 2,963,820,844,471,657.50/74,889,827.30 - Step 6: Final answer
x = 39,575,746.82
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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.