Finding the Fourth Proportional to 84,364,907.36, 116,423,743.06 and 47,195,808.34
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Solution
The fourth proportional to 84,364,907.36, 116,423,743.06 and 47,195,808.34 is: 65,130,311.12
Step by Step Solution
- Step 1: Write the proportion equation
84,364,907.36 : 116,423,743.06 = 47,195,808.34 : x - Step 2: Convert to fraction form
84,364,907.36/116,423,743.06 = 47,195,808.34/x - Step 3: Cross multiply
84,364,907.36x = 116,423,743.06 × 47,195,808.34 - Step 4: Simplify right side
84,364,907.36x = 5,494,712,663,733,655 - Step 5: Solve for x
x = 5,494,712,663,733,655/84,364,907.36 - Step 6: Final answer
x = 65,130,311.12
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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.