Finding the Fourth Proportional to 71,113,896.08, 98,137,179.84 and 38,518,848.08
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Solution
The fourth proportional to 71,113,896.08, 98,137,179.84 and 38,518,848.08 is: 53,156,012.11
Step by Step Solution
- Step 1: Write the proportion equation
71,113,896.08 : 98,137,179.84 = 38,518,848.08 : x - Step 2: Convert to fraction form
71,113,896.08/98,137,179.84 = 38,518,848.08/x - Step 3: Cross multiply
71,113,896.08x = 98,137,179.84 × 38,518,848.08 - Step 4: Simplify right side
71,113,896.08x = 3,780,131,121,256,598.50 - Step 5: Solve for x
x = 3,780,131,121,256,598.50/71,113,896.08 - Step 6: Final answer
x = 53,156,012.11
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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.