Finding the Fourth Proportional to 112,369,855.98, 155,069,952.48 and 62,810,176.08
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Solution
The fourth proportional to 112,369,855.98, 155,069,952.48 and 62,810,176.08 is: 86,677,792.14
Step by Step Solution
- Step 1: Write the proportion equation
112,369,855.98 : 155,069,952.48 = 62,810,176.08 : x - Step 2: Convert to fraction form
112,369,855.98/155,069,952.48 = 62,810,176.08/x - Step 3: Cross multiply
112,369,855.98x = 155,069,952.48 × 62,810,176.08 - Step 4: Simplify right side
112,369,855.98x = 9,739,971,019,986,032 - Step 5: Solve for x
x = 9,739,971,019,986,032/112,369,855.98 - Step 6: Final answer
x = 86,677,792.14
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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.