Finding the Fourth Proportional to 147,484,240.48, 203,497,867.56 and 84,748,216.96
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Solution
The fourth proportional to 147,484,240.48, 203,497,867.56 and 84,748,216.96 is: 116,935,079.81
Step by Step Solution
- Step 1: Write the proportion equation
147,484,240.48 : 203,497,867.56 = 84,748,216.96 : x - Step 2: Convert to fraction form
147,484,240.48/203,497,867.56 = 84,748,216.96/x - Step 3: Cross multiply
147,484,240.48x = 203,497,867.56 × 84,748,216.96 - Step 4: Simplify right side
147,484,240.48x = 17,246,081,430,872,224 - Step 5: Solve for x
x = 17,246,081,430,872,224/147,484,240.48 - Step 6: Final answer
x = 116,935,079.81
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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.