Finding the Fourth Proportional to 191,553,858.93, 264,344,315.27 and 103,447,848.09
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Solution
The fourth proportional to 191,553,858.93, 264,344,315.27 and 103,447,848.09 is: 142,758,024.93
Step by Step Solution
- Step 1: Write the proportion equation
191,553,858.93 : 264,344,315.27 = 103,447,848.09 : x - Step 2: Convert to fraction form
191,553,858.93/264,344,315.27 = 103,447,848.09/x - Step 3: Cross multiply
191,553,858.93x = 264,344,315.27 × 103,447,848.09 - Step 4: Simplify right side
191,553,858.93x = 27,345,850,568,988,788 - Step 5: Solve for x
x = 27,345,850,568,988,788/191,553,858.93 - Step 6: Final answer
x = 142,758,024.93
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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.