Finding the Fourth Proportional to 116,564,014.32, 160,930,935.21 and 74,201,476.26
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Solution
The fourth proportional to 116,564,014.32, 160,930,935.21 and 74,201,476.26 is: 102,444,249.52
Step by Step Solution
- Step 1: Write the proportion equation
116,564,014.32 : 160,930,935.21 = 74,201,476.26 : x - Step 2: Convert to fraction form
116,564,014.32/160,930,935.21 = 74,201,476.26/x - Step 3: Cross multiply
116,564,014.32x = 160,930,935.21 × 74,201,476.26 - Step 4: Simplify right side
116,564,014.32x = 11,941,312,968,484,414 - Step 5: Solve for x
x = 11,941,312,968,484,414/116,564,014.32 - Step 6: Final answer
x = 102,444,249.52
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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.