Finding the Fourth Proportional to 86,956,305.71, 119,998,994.53 and 47,797,666.11
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Solution
The fourth proportional to 86,956,305.71, 119,998,994.53 and 47,797,666.11 is: 65,960,390.42
Step by Step Solution
- Step 1: Write the proportion equation
86,956,305.71 : 119,998,994.53 = 47,797,666.11 : x - Step 2: Convert to fraction form
86,956,305.71/119,998,994.53 = 47,797,666.11/x - Step 3: Cross multiply
86,956,305.71x = 119,998,994.53 × 47,797,666.11 - Step 4: Simplify right side
86,956,305.71x = 5,735,671,874,411,159 - Step 5: Solve for x
x = 5,735,671,874,411,159/86,956,305.71 - Step 6: Final answer
x = 65,960,390.42
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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.