Finding the Fourth Proportional to 72,115,765.42, 108,172,703.26 and 17,528,192.36
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Solution
The fourth proportional to 72,115,765.42, 108,172,703.26 and 17,528,192.36 is: 26,292,058.88
Step by Step Solution
- Step 1: Write the proportion equation
72,115,765.42 : 108,172,703.26 = 17,528,192.36 : x - Step 2: Convert to fraction form
72,115,765.42/108,172,703.26 = 17,528,192.36/x - Step 3: Cross multiply
72,115,765.42x = 108,172,703.26 × 17,528,192.36 - Step 4: Simplify right side
72,115,765.42x = 1,896,071,950,842,479 - Step 5: Solve for x
x = 1,896,071,950,842,479/72,115,765.42 - Step 6: Final answer
x = 26,292,058.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.