Finding the Fourth Proportional to 78,897,432.22, 108,878,603.99 and 44,090,122.70
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Solution
The fourth proportional to 78,897,432.22, 108,878,603.99 and 44,090,122.70 is: 60,844,451.77
Step by Step Solution
- Step 1: Write the proportion equation
78,897,432.22 : 108,878,603.99 = 44,090,122.70 : x - Step 2: Convert to fraction form
78,897,432.22/108,878,603.99 = 44,090,122.70/x - Step 3: Cross multiply
78,897,432.22x = 108,878,603.99 × 44,090,122.70 - Step 4: Simplify right side
78,897,432.22x = 4,800,471,009,375,556 - Step 5: Solve for x
x = 4,800,471,009,375,556/78,897,432.22 - Step 6: Final answer
x = 60,844,451.77
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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.