Finding the Fourth Proportional to 104,832,331.80, 157,248,497.70 and 74,221,330.20
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Solution
The fourth proportional to 104,832,331.80, 157,248,497.70 and 74,221,330.20 is: 111,331,995.30
Step by Step Solution
- Step 1: Write the proportion equation
104,832,331.80 : 157,248,497.70 = 74,221,330.20 : x - Step 2: Convert to fraction form
104,832,331.80/157,248,497.70 = 74,221,330.20/x - Step 3: Cross multiply
104,832,331.80x = 157,248,497.70 × 74,221,330.20 - Step 4: Simplify right side
104,832,331.80x = 11,671,192,671,245,640 - Step 5: Solve for x
x = 11,671,192,671,245,640/104,832,331.80 - Step 6: Final answer
x = 111,331,995.30
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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.