Finding the Fourth Proportional to 250,326,894.62, 345,444,568.68 and 138,817,451.36
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Solution
The fourth proportional to 250,326,894.62, 345,444,568.68 and 138,817,451.36 is: 191,564,452.89
Step by Step Solution
- Step 1: Write the proportion equation
250,326,894.62 : 345,444,568.68 = 138,817,451.36 : x - Step 2: Convert to fraction form
250,326,894.62/345,444,568.68 = 138,817,451.36/x - Step 3: Cross multiply
250,326,894.62x = 345,444,568.68 × 138,817,451.36 - Step 4: Simplify right side
250,326,894.62x = 47,953,734,610,312,088 - Step 5: Solve for x
x = 47,953,734,610,312,088/250,326,894.62 - Step 6: Final answer
x = 191,564,452.89
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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.