Finding the Fourth Proportional to 238,621,854.18, 329,259,670.83 and 134,193,697.68
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Solution
The fourth proportional to 238,621,854.18, 329,259,670.83 and 134,193,697.68 is: 185,165,658.35
Step by Step Solution
- Step 1: Write the proportion equation
238,621,854.18 : 329,259,670.83 = 134,193,697.68 : x - Step 2: Convert to fraction form
238,621,854.18/329,259,670.83 = 134,193,697.68/x - Step 3: Cross multiply
238,621,854.18x = 329,259,670.83 × 134,193,697.68 - Step 4: Simplify right side
238,621,854.18x = 44,184,572,725,577,336 - Step 5: Solve for x
x = 44,184,572,725,577,336/238,621,854.18 - Step 6: Final answer
x = 185,165,658.35
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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.