Finding the Fourth Proportional to 145,692,792.24, 201,056,586.68 and 79,613,298.44
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Solution
The fourth proportional to 145,692,792.24, 201,056,586.68 and 79,613,298.44 is: 109,866,643.32
Step by Step Solution
- Step 1: Write the proportion equation
145,692,792.24 : 201,056,586.68 = 79,613,298.44 : x - Step 2: Convert to fraction form
145,692,792.24/201,056,586.68 = 79,613,298.44/x - Step 3: Cross multiply
145,692,792.24x = 201,056,586.68 × 79,613,298.44 - Step 4: Simplify right side
145,692,792.24x = 16,006,778,038,682,568 - Step 5: Solve for x
x = 16,006,778,038,682,568/145,692,792.24 - Step 6: Final answer
x = 109,866,643.32
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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.