Finding the Fourth Proportional to 115,958,637.98, 160,013,408.20 and 68,266,322.36
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Solution
The fourth proportional to 115,958,637.98, 160,013,408.20 and 68,266,322.36 is: 94,201,924.89
Step by Step Solution
- Step 1: Write the proportion equation
115,958,637.98 : 160,013,408.20 = 68,266,322.36 : x - Step 2: Convert to fraction form
115,958,637.98/160,013,408.20 = 68,266,322.36/x - Step 3: Cross multiply
115,958,637.98x = 160,013,408.20 × 68,266,322.36 - Step 4: Simplify right side
115,958,637.98x = 10,923,526,905,132,734 - Step 5: Solve for x
x = 10,923,526,905,132,734/115,958,637.98 - Step 6: Final answer
x = 94,201,924.89
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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.