Finding the Fourth Proportional to 134,857,420.08, 186,103,238.76 and 72,977,758.44
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Solution
The fourth proportional to 134,857,420.08, 186,103,238.76 and 72,977,758.44 is: 100,709,306.13
Step by Step Solution
- Step 1: Write the proportion equation
134,857,420.08 : 186,103,238.76 = 72,977,758.44 : x - Step 2: Convert to fraction form
134,857,420.08/186,103,238.76 = 72,977,758.44/x - Step 3: Cross multiply
134,857,420.08x = 186,103,238.76 × 72,977,758.44 - Step 4: Simplify right side
134,857,420.08x = 13,581,397,203,128,924 - Step 5: Solve for x
x = 13,581,397,203,128,924/134,857,420.08 - Step 6: Final answer
x = 100,709,306.13
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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.