Finding the Fourth Proportional to 74,772,102.40, 104,832,108.80 and 74,772,102.40
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Solution
The fourth proportional to 74,772,102.40, 104,832,108.80 and 74,772,102.40 is: 104,832,108.80
Step by Step Solution
- Step 1: Write the proportion equation
74,772,102.40 : 104,832,108.80 = 74,772,102.40 : x - Step 2: Convert to fraction form
74,772,102.40/104,832,108.80 = 74,772,102.40/x - Step 3: Cross multiply
74,772,102.40x = 104,832,108.80 × 74,772,102.40 - Step 4: Simplify right side
74,772,102.40x = 7,838,517,174,001,542 - Step 5: Solve for x
x = 7,838,517,174,001,542/74,772,102.40 - Step 6: Final answer
x = 104,832,108.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.