Finding the Fourth Proportional to 116,740,671.24, 161,102,161.62 and 63,817,609.08
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Solution
The fourth proportional to 116,740,671.24, 161,102,161.62 and 63,817,609.08 is: 88,068,319.83
Step by Step Solution
- Step 1: Write the proportion equation
116,740,671.24 : 161,102,161.62 = 63,817,609.08 : x - Step 2: Convert to fraction form
116,740,671.24/161,102,161.62 = 63,817,609.08/x - Step 3: Cross multiply
116,740,671.24x = 161,102,161.62 × 63,817,609.08 - Step 4: Simplify right side
116,740,671.24x = 10,281,154,772,208,140 - Step 5: Solve for x
x = 10,281,154,772,208,140/116,740,671.24 - Step 6: Final answer
x = 88,068,319.83
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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.