Finding the Fourth Proportional to 81,465,473.18, 112,421,572.35 and 44,295,767.06
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Solution
The fourth proportional to 81,465,473.18, 112,421,572.35 and 44,295,767.06 is: 61,127,734.07
Step by Step Solution
- Step 1: Write the proportion equation
81,465,473.18 : 112,421,572.35 = 44,295,767.06 : x - Step 2: Convert to fraction form
81,465,473.18/112,421,572.35 = 44,295,767.06/x - Step 3: Cross multiply
81,465,473.18x = 112,421,572.35 × 44,295,767.06 - Step 4: Simplify right side
81,465,473.18x = 4,979,799,780,606,320 - Step 5: Solve for x
x = 4,979,799,780,606,320/81,465,473.18 - Step 6: Final answer
x = 61,127,734.07
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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.