Finding the Fourth Proportional to 115,896,885.60, 173,845,328.40 and 97,190,162.40
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Solution
The fourth proportional to 115,896,885.60, 173,845,328.40 and 97,190,162.40 is: 145,785,243.60
Step by Step Solution
- Step 1: Write the proportion equation
115,896,885.60 : 173,845,328.40 = 97,190,162.40 : x - Step 2: Convert to fraction form
115,896,885.60/173,845,328.40 = 97,190,162.40/x - Step 3: Cross multiply
115,896,885.60x = 173,845,328.40 × 97,190,162.40 - Step 4: Simplify right side
115,896,885.60x = 16,896,055,699,677,334 - Step 5: Solve for x
x = 16,896,055,699,677,334/115,896,885.60 - Step 6: Final answer
x = 145,785,243.60
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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.