Finding the Fourth Proportional to 134,076,643.20, 201,096,302.40 and 43,209,417.60
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Solution
The fourth proportional to 134,076,643.20, 201,096,302.40 and 43,209,417.60 is: 64,808,111.99
Step by Step Solution
- Step 1: Write the proportion equation
134,076,643.20 : 201,096,302.40 = 43,209,417.60 : x - Step 2: Convert to fraction form
134,076,643.20/201,096,302.40 = 43,209,417.60/x - Step 3: Cross multiply
134,076,643.20x = 201,096,302.40 × 43,209,417.60 - Step 4: Simplify right side
134,076,643.20x = 8,689,254,108,217,483 - Step 5: Solve for x
x = 8,689,254,108,217,483/134,076,643.20 - Step 6: Final answer
x = 64,808,111.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.