Finding the Fourth Proportional to 145,865,179, 201,294,553.50 and 78,884,137.12
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Solution
The fourth proportional to 145,865,179, 201,294,553.50 and 78,884,137.12 is: 108,860,437.21
Step by Step Solution
- Step 1: Write the proportion equation
145,865,179 : 201,294,553.50 = 78,884,137.12 : x - Step 2: Convert to fraction form
145,865,179/201,294,553.50 = 78,884,137.12/x - Step 3: Cross multiply
145,865,179x = 201,294,553.50 × 78,884,137.12 - Step 4: Simplify right side
145,865,179x = 15,878,947,159,803,176 - Step 5: Solve for x
x = 15,878,947,159,803,176/145,865,179 - Step 6: Final answer
x = 108,860,437.21
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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.