Finding the Fourth Proportional to 88,578,291.60, 132,867,437.40 and 76,248,860.40
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Solution
The fourth proportional to 88,578,291.60, 132,867,437.40 and 76,248,860.40 is: 114,373,290.60
Step by Step Solution
- Step 1: Write the proportion equation
88,578,291.60 : 132,867,437.40 = 76,248,860.40 : x - Step 2: Convert to fraction form
88,578,291.60/132,867,437.40 = 76,248,860.40/x - Step 3: Cross multiply
88,578,291.60x = 132,867,437.40 × 76,248,860.40 - Step 4: Simplify right side
88,578,291.60x = 10,130,990,686,018,340 - Step 5: Solve for x
x = 10,130,990,686,018,340/88,578,291.60 - Step 6: Final answer
x = 114,373,290.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.