Finding the Fourth Proportional to 148,124,902.40, 206,864,680 and 148,124,902.40
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Solution
The fourth proportional to 148,124,902.40, 206,864,680 and 148,124,902.40 is: 206,864,680
Step by Step Solution
- Step 1: Write the proportion equation
148,124,902.40 : 206,864,680 = 148,124,902.40 : x - Step 2: Convert to fraction form
148,124,902.40/206,864,680 = 148,124,902.40/x - Step 3: Cross multiply
148,124,902.40x = 206,864,680 × 148,124,902.40 - Step 4: Simplify right side
148,124,902.40x = 30,641,810,535,007,232 - Step 5: Solve for x
x = 30,641,810,535,007,232/148,124,902.40 - Step 6: Final answer
x = 206,864,680
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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.