Finding the Fourth Proportional to 117,423,564.84, 176,121,661.50 and 31,168,673.64
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Solution
The fourth proportional to 117,423,564.84, 176,121,661.50 and 31,168,673.64 is: 46,749,377.74
Step by Step Solution
- Step 1: Write the proportion equation
117,423,564.84 : 176,121,661.50 = 31,168,673.64 : x - Step 2: Convert to fraction form
117,423,564.84/176,121,661.50 = 31,168,673.64/x - Step 3: Cross multiply
117,423,564.84x = 176,121,661.50 × 31,168,673.64 - Step 4: Simplify right side
117,423,564.84x = 5,489,478,588,228,053 - Step 5: Solve for x
x = 5,489,478,588,228,053/117,423,564.84 - Step 6: Final answer
x = 46,749,377.74
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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.