Finding the Fourth Proportional to 115,265,973.36, 159,066,567.68 and 62,342,740.11
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Solution
The fourth proportional to 115,265,973.36, 159,066,567.68 and 62,342,740.11 is: 86,032,724.14
Step by Step Solution
- Step 1: Write the proportion equation
115,265,973.36 : 159,066,567.68 = 62,342,740.11 : x - Step 2: Convert to fraction form
115,265,973.36/159,066,567.68 = 62,342,740.11/x - Step 3: Cross multiply
115,265,973.36x = 159,066,567.68 × 62,342,740.11 - Step 4: Simplify right side
115,265,973.36x = 9,916,645,689,063,966 - Step 5: Solve for x
x = 9,916,645,689,063,966/115,265,973.36 - Step 6: Final answer
x = 86,032,724.14
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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.