Finding the Fourth Proportional to 56,376,633.28, 77,806,207.98 and 31,603,511.08
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Solution
The fourth proportional to 56,376,633.28, 77,806,207.98 and 31,603,511.08 is: 43,616,463.29
Step by Step Solution
- Step 1: Write the proportion equation
56,376,633.28 : 77,806,207.98 = 31,603,511.08 : x - Step 2: Convert to fraction form
56,376,633.28/77,806,207.98 = 31,603,511.08/x - Step 3: Cross multiply
56,376,633.28x = 77,806,207.98 × 31,603,511.08 - Step 4: Simplify right side
56,376,633.28x = 2,458,949,355,988,714.50 - Step 5: Solve for x
x = 2,458,949,355,988,714.50/56,376,633.28 - Step 6: Final answer
x = 43,616,463.29
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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.