Finding the Fourth Proportional to 83,247,786.18, 124,870,988.12 and 65,067,263.42
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Solution
The fourth proportional to 83,247,786.18, 124,870,988.12 and 65,067,263.42 is: 97,600,354.91
Step by Step Solution
- Step 1: Write the proportion equation
83,247,786.18 : 124,870,988.12 = 65,067,263.42 : x - Step 2: Convert to fraction form
83,247,786.18/124,870,988.12 = 65,067,263.42/x - Step 3: Cross multiply
83,247,786.18x = 124,870,988.12 × 65,067,263.42 - Step 4: Simplify right side
83,247,786.18x = 8,125,013,476,570,039 - Step 5: Solve for x
x = 8,125,013,476,570,039/83,247,786.18 - Step 6: Final answer
x = 97,600,354.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.