Finding the Fourth Proportional to 84,047,272.47, 125,812,335.93 and 54,838,217.15
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Solution
The fourth proportional to 84,047,272.47, 125,812,335.93 and 54,838,217.15 is: 82,088,615.07
Step by Step Solution
- Step 1: Write the proportion equation
84,047,272.47 : 125,812,335.93 = 54,838,217.15 : x - Step 2: Convert to fraction form
84,047,272.47/125,812,335.93 = 54,838,217.15/x - Step 3: Cross multiply
84,047,272.47x = 125,812,335.93 × 54,838,217.15 - Step 4: Simplify right side
84,047,272.47x = 6,899,324,197,515,178 - Step 5: Solve for x
x = 6,899,324,197,515,178/84,047,272.47 - Step 6: Final answer
x = 82,088,615.07
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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.