Finding the Fourth Proportional to 53,478,257.60, 80,247,191.68 and 28,885,687.68
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Solution
The fourth proportional to 53,478,257.60, 80,247,191.68 and 28,885,687.68 is: 43,344,630.51
Step by Step Solution
- Step 1: Write the proportion equation
53,478,257.60 : 80,247,191.68 = 28,885,687.68 : x - Step 2: Convert to fraction form
53,478,257.60/80,247,191.68 = 28,885,687.68/x - Step 3: Cross multiply
53,478,257.60x = 80,247,191.68 × 28,885,687.68 - Step 4: Simplify right side
53,478,257.60x = 2,317,995,316,065,574.50 - Step 5: Solve for x
x = 2,317,995,316,065,574.50/53,478,257.60 - Step 6: Final answer
x = 43,344,630.51
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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.