Finding the Fourth Proportional to 93,329,814.13, 128,775,915.87 and 53,629,673.94
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Solution
The fourth proportional to 93,329,814.13, 128,775,915.87 and 53,629,673.94 is: 73,997,901.36
Step by Step Solution
- Step 1: Write the proportion equation
93,329,814.13 : 128,775,915.87 = 53,629,673.94 : x - Step 2: Convert to fraction form
93,329,814.13/128,775,915.87 = 53,629,673.94/x - Step 3: Cross multiply
93,329,814.13x = 128,775,915.87 × 53,629,673.94 - Step 4: Simplify right side
93,329,814.13x = 6,906,210,379,533,258 - Step 5: Solve for x
x = 6,906,210,379,533,258/93,329,814.13 - Step 6: Final answer
x = 73,997,901.36
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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.