Finding the Fourth Proportional to 97,307,723.36, 134,284,710.54 and 53,254,696.40
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Solution
The fourth proportional to 97,307,723.36, 134,284,710.54 and 53,254,696.40 is: 73,491,509.66
Step by Step Solution
- Step 1: Write the proportion equation
97,307,723.36 : 134,284,710.54 = 53,254,696.40 : x - Step 2: Convert to fraction form
97,307,723.36/134,284,710.54 = 53,254,696.40/x - Step 3: Cross multiply
97,307,723.36x = 134,284,710.54 × 53,254,696.40 - Step 4: Simplify right side
97,307,723.36x = 7,151,291,490,969,579 - Step 5: Solve for x
x = 7,151,291,490,969,579/97,307,723.36 - Step 6: Final answer
x = 73,491,509.66
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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.