Finding the Fourth Proportional to 157,464,252.40, 219,939,770 and 157,464,252.40
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Solution
The fourth proportional to 157,464,252.40, 219,939,770 and 157,464,252.40 is: 219,939,770
Step by Step Solution
- Step 1: Write the proportion equation
157,464,252.40 : 219,939,770 = 157,464,252.40 : x - Step 2: Convert to fraction form
157,464,252.40/219,939,770 = 157,464,252.40/x - Step 3: Cross multiply
157,464,252.40x = 219,939,770 × 157,464,252.40 - Step 4: Simplify right side
157,464,252.40x = 34,632,651,456,077,948 - Step 5: Solve for x
x = 34,632,651,456,077,948/157,464,252.40 - Step 6: Final answer
x = 219,939,770
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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.