Finding the Fourth Proportional to 170,829,741.34, 256,653,405.16 and 109,538,982.50
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Solution
The fourth proportional to 170,829,741.34, 256,653,405.16 and 109,538,982.50 is: 164,570,598.99
Step by Step Solution
- Step 1: Write the proportion equation
170,829,741.34 : 256,653,405.16 = 109,538,982.50 : x - Step 2: Convert to fraction form
170,829,741.34/256,653,405.16 = 109,538,982.50/x - Step 3: Cross multiply
170,829,741.34x = 256,653,405.16 × 109,538,982.50 - Step 4: Simplify right side
170,829,741.34x = 28,113,552,856,271,924 - Step 5: Solve for x
x = 28,113,552,856,271,924/170,829,741.34 - Step 6: Final answer
x = 164,570,598.99
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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.