Finding the Fourth Proportional to 98,340,392.15, 135,706,184.55 and 54,286,445.19
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Solution
The fourth proportional to 98,340,392.15, 135,706,184.55 and 54,286,445.19 is: 74,913,331.02
Step by Step Solution
- Step 1: Write the proportion equation
98,340,392.15 : 135,706,184.55 = 54,286,445.19 : x - Step 2: Convert to fraction form
98,340,392.15/135,706,184.55 = 54,286,445.19/x - Step 3: Cross multiply
98,340,392.15x = 135,706,184.55 × 54,286,445.19 - Step 4: Simplify right side
98,340,392.15x = 7,367,006,349,517,600 - Step 5: Solve for x
x = 7,367,006,349,517,600/98,340,392.15 - Step 6: Final answer
x = 74,913,331.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.