Finding the Fourth Proportional to 93,162,358.41, 128,564,564.49 and 54,027,338.28
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Solution
The fourth proportional to 93,162,358.41, 128,564,564.49 and 54,027,338.28 is: 74,558,022.52
Step by Step Solution
- Step 1: Write the proportion equation
93,162,358.41 : 128,564,564.49 = 54,027,338.28 : x - Step 2: Convert to fraction form
93,162,358.41/128,564,564.49 = 54,027,338.28/x - Step 3: Cross multiply
93,162,358.41x = 128,564,564.49 × 54,027,338.28 - Step 4: Simplify right side
93,162,358.41x = 6,946,001,216,522,106 - Step 5: Solve for x
x = 6,946,001,216,522,106/93,162,358.41 - Step 6: Final answer
x = 74,558,022.52
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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.