Finding the Fourth Proportional to 69,812,078.64, 96,341,337.84 and 38,450,838.62
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Solution
The fourth proportional to 69,812,078.64, 96,341,337.84 and 38,450,838.62 is: 53,062,525.93
Step by Step Solution
- Step 1: Write the proportion equation
69,812,078.64 : 96,341,337.84 = 38,450,838.62 : x - Step 2: Convert to fraction form
69,812,078.64/96,341,337.84 = 38,450,838.62/x - Step 3: Cross multiply
69,812,078.64x = 96,341,337.84 × 38,450,838.62 - Step 4: Simplify right side
69,812,078.64x = 3,704,405,233,239,033 - Step 5: Solve for x
x = 3,704,405,233,239,033/69,812,078.64 - Step 6: Final answer
x = 53,062,525.93
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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.