Finding the Fourth Proportional to 86,911,967.75, 130,286,905.49 and 29,363,993.33
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Solution
The fourth proportional to 86,911,967.75, 130,286,905.49 and 29,363,993.33 is: 44,018,607.82
Step by Step Solution
- Step 1: Write the proportion equation
86,911,967.75 : 130,286,905.49 = 29,363,993.33 : x - Step 2: Convert to fraction form
86,911,967.75/130,286,905.49 = 29,363,993.33/x - Step 3: Cross multiply
86,911,967.75x = 130,286,905.49 × 29,363,993.33 - Step 4: Simplify right side
86,911,967.75x = 3,825,743,822,996,446 - Step 5: Solve for x
x = 3,825,743,822,996,446/86,911,967.75 - Step 6: Final answer
x = 44,018,607.82
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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.