Finding the Fourth Proportional to 98,656,656.80, 147,772,408.80 and 81,650,544.80
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Solution
The fourth proportional to 98,656,656.80, 147,772,408.80 and 81,650,544.80 is: 122,299,884.02
Step by Step Solution
- Step 1: Write the proportion equation
98,656,656.80 : 147,772,408.80 = 81,650,544.80 : x - Step 2: Convert to fraction form
98,656,656.80/147,772,408.80 = 81,650,544.80/x - Step 3: Cross multiply
98,656,656.80x = 147,772,408.80 × 81,650,544.80 - Step 4: Simplify right side
98,656,656.80x = 12,065,697,684,928,314 - Step 5: Solve for x
x = 12,065,697,684,928,314/98,656,656.80 - Step 6: Final answer
x = 122,299,884.02
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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.