Finding the Fourth Proportional to 115,561,448.88, 159,474,214.72 and 62,637,943.36
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Solution
The fourth proportional to 115,561,448.88, 159,474,214.72 and 62,637,943.36 is: 86,440,044.89
Step by Step Solution
- Step 1: Write the proportion equation
115,561,448.88 : 159,474,214.72 = 62,637,943.36 : x - Step 2: Convert to fraction form
115,561,448.88/159,474,214.72 = 62,637,943.36/x - Step 3: Cross multiply
115,561,448.88x = 159,474,214.72 × 62,637,943.36 - Step 4: Simplify right side
115,561,448.88x = 9,989,136,829,011,838 - Step 5: Solve for x
x = 9,989,136,829,011,838/115,561,448.88 - Step 6: Final answer
x = 86,440,044.89
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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.