Finding the Fourth Proportional to 98,340,603.46, 135,706,475.97 and 54,286,656.76
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Solution
The fourth proportional to 98,340,603.46, 135,706,475.97 and 54,286,656.76 is: 74,913,622.88
Step by Step Solution
- Step 1: Write the proportion equation
98,340,603.46 : 135,706,475.97 = 54,286,656.76 : x - Step 2: Convert to fraction form
98,340,603.46/135,706,475.97 = 54,286,656.76/x - Step 3: Cross multiply
98,340,603.46x = 135,706,475.97 × 54,286,656.76 - Step 4: Simplify right side
98,340,603.46x = 7,367,050,881,092,578 - Step 5: Solve for x
x = 7,367,050,881,092,578/98,340,603.46 - Step 6: Final answer
x = 74,913,622.88
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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.