Finding the Fourth Proportional to 90,587,479.80, 135,746,850.36 and 66,535,378.68
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Solution
The fourth proportional to 90,587,479.80, 135,746,850.36 and 66,535,378.68 is: 99,704,375.41
Step by Step Solution
- Step 1: Write the proportion equation
90,587,479.80 : 135,746,850.36 = 66,535,378.68 : x - Step 2: Convert to fraction form
90,587,479.80/135,746,850.36 = 66,535,378.68/x - Step 3: Cross multiply
90,587,479.80x = 135,746,850.36 × 66,535,378.68 - Step 4: Simplify right side
90,587,479.80x = 9,031,968,093,319,896 - Step 5: Solve for x
x = 9,031,968,093,319,896/90,587,479.80 - Step 6: Final answer
x = 99,704,375.41
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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.