Finding the Fourth Proportional to 448,681,506.18, 673,056,301.68 and 121,152,252.75
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Solution
The fourth proportional to 448,681,506.18, 673,056,301.68 and 121,152,252.75 is: 181,737,571.20
Step by Step Solution
- Step 1: Write the proportion equation
448,681,506.18 : 673,056,301.68 = 121,152,252.75 : x - Step 2: Convert to fraction form
448,681,506.18/673,056,301.68 = 121,152,252.75/x - Step 3: Cross multiply
448,681,506.18x = 673,056,301.68 × 121,152,252.75 - Step 4: Simplify right side
448,681,506.18x = 81,542,287,176,115,600 - Step 5: Solve for x
x = 81,542,287,176,115,600/448,681,506.18 - Step 6: Final answer
x = 181,737,571.20
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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.