Finding the Fourth Proportional to 157,464,122.40, 219,939,588 and 157,464,122.40
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Solution
The fourth proportional to 157,464,122.40, 219,939,588 and 157,464,122.40 is: 219,939,588
Step by Step Solution
- Step 1: Write the proportion equation
157,464,122.40 : 219,939,588 = 157,464,122.40 : x - Step 2: Convert to fraction form
157,464,122.40/219,939,588 = 157,464,122.40/x - Step 3: Cross multiply
157,464,122.40x = 219,939,588 × 157,464,122.40 - Step 4: Simplify right side
157,464,122.40x = 34,632,594,205,437,572 - Step 5: Solve for x
x = 34,632,594,205,437,572/157,464,122.40 - Step 6: Final answer
x = 219,939,588
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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.