Finding the Fourth Proportional to 98,160,680.22, 135,467,799.27 and 54,107,579.70
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Solution
The fourth proportional to 98,160,680.22, 135,467,799.27 and 54,107,579.70 is: 74,671,800.66
Step by Step Solution
- Step 1: Write the proportion equation
98,160,680.22 : 135,467,799.27 = 54,107,579.70 : x - Step 2: Convert to fraction form
98,160,680.22/135,467,799.27 = 54,107,579.70/x - Step 3: Cross multiply
98,160,680.22x = 135,467,799.27 × 54,107,579.70 - Step 4: Simplify right side
98,160,680.22x = 7,329,834,745,785,128 - Step 5: Solve for x
x = 7,329,834,745,785,128/98,160,680.22 - Step 6: Final answer
x = 74,671,800.66
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1.5x scale
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.