Finding the Fourth Proportional to 97,847,943.52, 135,030,248.58 and 53,795,691.76
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Solution
The fourth proportional to 97,847,943.52, 135,030,248.58 and 53,795,691.76 is: 74,238,102.20
Step by Step Solution
- Step 1: Write the proportion equation
97,847,943.52 : 135,030,248.58 = 53,795,691.76 : x - Step 2: Convert to fraction form
97,847,943.52/135,030,248.58 = 53,795,691.76/x - Step 3: Cross multiply
97,847,943.52x = 135,030,248.58 × 53,795,691.76 - Step 4: Simplify right side
97,847,943.52x = 7,264,045,630,885,858 - Step 5: Solve for x
x = 7,264,045,630,885,858/97,847,943.52 - Step 6: Final answer
x = 74,238,102.20
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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.