Finding the Fourth Proportional to 97,884,069.53, 135,077,318.52 and 53,831,067.45
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Solution
The fourth proportional to 97,884,069.53, 135,077,318.52 and 53,831,067.45 is: 74,285,389.64
Step by Step Solution
- Step 1: Write the proportion equation
97,884,069.53 : 135,077,318.52 = 53,831,067.45 : x - Step 2: Convert to fraction form
97,884,069.53/135,077,318.52 = 53,831,067.45/x - Step 3: Cross multiply
97,884,069.53x = 135,077,318.52 × 53,831,067.45 - Step 4: Simplify right side
97,884,069.53x = 7,271,356,244,646,361 - Step 5: Solve for x
x = 7,271,356,244,646,361/97,884,069.53 - Step 6: Final answer
x = 74,285,389.64
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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.