Finding the Fourth Proportional to 160,006,266.93, 220,808,655.68 and 86,667,408.93
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Solution
The fourth proportional to 160,006,266.93, 220,808,655.68 and 86,667,408.93 is: 119,601,028.28
Step by Step Solution
- Step 1: Write the proportion equation
160,006,266.93 : 220,808,655.68 = 86,667,408.93 : x - Step 2: Convert to fraction form
160,006,266.93/220,808,655.68 = 86,667,408.93/x - Step 3: Cross multiply
160,006,266.93x = 220,808,655.68 × 86,667,408.93 - Step 4: Simplify right side
160,006,266.93x = 19,136,914,056,668,792 - Step 5: Solve for x
x = 19,136,914,056,668,792/160,006,266.93 - Step 6: Final answer
x = 119,601,028.28
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1.5x scale
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.