Finding the Fourth Proportional to 75,149,977.52, 112,689,436.40 and 29,113,413.68
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Solution
The fourth proportional to 75,149,977.52, 112,689,436.40 and 29,113,413.68 is: 43,656,356.10
Step by Step Solution
- Step 1: Write the proportion equation
75,149,977.52 : 112,689,436.40 = 29,113,413.68 : x - Step 2: Convert to fraction form
75,149,977.52/112,689,436.40 = 29,113,413.68/x - Step 3: Cross multiply
75,149,977.52x = 112,689,436.40 × 29,113,413.68 - Step 4: Simplify right side
75,149,977.52x = 3,280,774,179,279,250 - Step 5: Solve for x
x = 3,280,774,179,279,250/75,149,977.52 - Step 6: Final answer
x = 43,656,356.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.