Finding the Fourth Proportional to 248,832,135.60, 373,248,203.40 and 76,307,578.80
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Solution
The fourth proportional to 248,832,135.60, 373,248,203.40 and 76,307,578.80 is: 114,461,368.20
Step by Step Solution
- Step 1: Write the proportion equation
248,832,135.60 : 373,248,203.40 = 76,307,578.80 : x - Step 2: Convert to fraction form
248,832,135.60/373,248,203.40 = 76,307,578.80/x - Step 3: Cross multiply
248,832,135.60x = 373,248,203.40 × 76,307,578.80 - Step 4: Simplify right side
248,832,135.60x = 28,481,666,692,903,924 - Step 5: Solve for x
x = 28,481,666,692,903,924/248,832,135.60 - Step 6: Final answer
x = 114,461,368.20
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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.