Finding the Fourth Proportional to 98,221,963.44, 147,307,804.92 and 29,118,607.68
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Solution
The fourth proportional to 98,221,963.44, 147,307,804.92 and 29,118,607.68 is: 43,670,458.51
Step by Step Solution
- Step 1: Write the proportion equation
98,221,963.44 : 147,307,804.92 = 29,118,607.68 : x - Step 2: Convert to fraction form
98,221,963.44/147,307,804.92 = 29,118,607.68/x - Step 3: Cross multiply
98,221,963.44x = 147,307,804.92 × 29,118,607.68 - Step 4: Simplify right side
98,221,963.44x = 4,289,398,179,667,453.50 - Step 5: Solve for x
x = 4,289,398,179,667,453.50/98,221,963.44 - Step 6: Final answer
x = 43,670,458.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.