Finding the Fourth Proportional to 138,240,291.84, 190,777,398.42 and 79,503,002.82
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Solution
The fourth proportional to 138,240,291.84, 190,777,398.42 and 79,503,002.82 is: 109,717,477.03
Step by Step Solution
- Step 1: Write the proportion equation
138,240,291.84 : 190,777,398.42 = 79,503,002.82 : x - Step 2: Convert to fraction form
138,240,291.84/190,777,398.42 = 79,503,002.82/x - Step 3: Cross multiply
138,240,291.84x = 190,777,398.42 × 79,503,002.82 - Step 4: Simplify right side
138,240,291.84x = 15,167,376,044,577,522 - Step 5: Solve for x
x = 15,167,376,044,577,522/138,240,291.84 - Step 6: Final answer
x = 109,717,477.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.