Finding the Fourth Proportional to 90,666,767.20, 135,986,863.74 and 44,596,269.88
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Solution
The fourth proportional to 90,666,767.20, 135,986,863.74 and 44,596,269.88 is: 66,887,869.31
Step by Step Solution
- Step 1: Write the proportion equation
90,666,767.20 : 135,986,863.74 = 44,596,269.88 : x - Step 2: Convert to fraction form
90,666,767.20/135,986,863.74 = 44,596,269.88/x - Step 3: Cross multiply
90,666,767.20x = 135,986,863.74 × 44,596,269.88 - Step 4: Simplify right side
90,666,767.20x = 6,064,506,875,483,827 - Step 5: Solve for x
x = 6,064,506,875,483,827/90,666,767.20 - Step 6: Final answer
x = 66,887,869.31
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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.