Finding the Fourth Proportional to 49,411,678.19, 68,148,356.29 and 43,438,313.04
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Solution
The fourth proportional to 49,411,678.19, 68,148,356.29 and 43,438,313.04 is: 59,909,918.92
Step by Step Solution
- Step 1: Write the proportion equation
49,411,678.19 : 68,148,356.29 = 43,438,313.04 : x - Step 2: Convert to fraction form
49,411,678.19/68,148,356.29 = 43,438,313.04/x - Step 3: Cross multiply
49,411,678.19x = 68,148,356.29 × 43,438,313.04 - Step 4: Simplify right side
49,411,678.19x = 2,960,249,633,731,968 - Step 5: Solve for x
x = 2,960,249,633,731,968/49,411,678.19 - Step 6: Final answer
x = 59,909,918.92
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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.