Finding the Fourth Proportional to 97,390,404.46, 134,398,805.27 and 53,340,173.65
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Solution
The fourth proportional to 97,390,404.46, 134,398,805.27 and 53,340,173.65 is: 73,609,465.44
Step by Step Solution
- Step 1: Write the proportion equation
97,390,404.46 : 134,398,805.27 = 53,340,173.65 : x - Step 2: Convert to fraction form
97,390,404.46/134,398,805.27 = 53,340,173.65/x - Step 3: Cross multiply
97,390,404.46x = 134,398,805.27 × 53,340,173.65 - Step 4: Simplify right side
97,390,404.46x = 7,168,855,611,454,336 - Step 5: Solve for x
x = 7,168,855,611,454,336/97,390,404.46 - Step 6: Final answer
x = 73,609,465.44
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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.