Finding the Fourth Proportional to 145,865,177.25, 201,294,551.08 and 78,884,135.37
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Solution
The fourth proportional to 145,865,177.25, 201,294,551.08 and 78,884,135.37 is: 108,860,434.79
Step by Step Solution
- Step 1: Write the proportion equation
145,865,177.25 : 201,294,551.08 = 78,884,135.37 : x - Step 2: Convert to fraction form
145,865,177.25/201,294,551.08 = 78,884,135.37/x - Step 3: Cross multiply
145,865,177.25x = 201,294,551.08 × 78,884,135.37 - Step 4: Simplify right side
145,865,177.25x = 15,878,946,616,588,404 - Step 5: Solve for x
x = 15,878,946,616,588,404/145,865,177.25 - Step 6: Final answer
x = 108,860,434.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.