Finding the Fourth Proportional to 110,017,345.68, 151,790,827.88 and 65,948,265.08
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Solution
The fourth proportional to 110,017,345.68, 151,790,827.88 and 65,948,265.08 is: 90,988,759.02
Step by Step Solution
- Step 1: Write the proportion equation
110,017,345.68 : 151,790,827.88 = 65,948,265.08 : x - Step 2: Convert to fraction form
110,017,345.68/151,790,827.88 = 65,948,265.08/x - Step 3: Cross multiply
110,017,345.68x = 151,790,827.88 × 65,948,265.08 - Step 4: Simplify right side
110,017,345.68x = 10,010,341,753,742,894 - Step 5: Solve for x
x = 10,010,341,753,742,894/110,017,345.68 - Step 6: Final answer
x = 90,988,759.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.