Finding the Fourth Proportional to 115,402,044.27, 159,254,855.37 and 62,478,741.36
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Solution
The fourth proportional to 115,402,044.27, 159,254,855.37 and 62,478,741.36 is: 86,220,681.63
Step by Step Solution
- Step 1: Write the proportion equation
115,402,044.27 : 159,254,855.37 = 62,478,741.36 : x - Step 2: Convert to fraction form
115,402,044.27/159,254,855.37 = 62,478,741.36/x - Step 3: Cross multiply
115,402,044.27x = 159,254,855.37 × 62,478,741.36 - Step 4: Simplify right side
115,402,044.27x = 9,950,042,918,986,438 - Step 5: Solve for x
x = 9,950,042,918,986,438/115,402,044.27 - Step 6: Final answer
x = 86,220,681.63
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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.