Finding the Fourth Proportional to 98,516,335.29, 135,929,987.83 and 58,816,139.48
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Solution
The fourth proportional to 98,516,335.29, 135,929,987.83 and 58,816,139.48 is: 81,152,806.79
Step by Step Solution
- Step 1: Write the proportion equation
98,516,335.29 : 135,929,987.83 = 58,816,139.48 : x - Step 2: Convert to fraction form
98,516,335.29/135,929,987.83 = 58,816,139.48/x - Step 3: Cross multiply
98,516,335.29x = 135,929,987.83 × 58,816,139.48 - Step 4: Simplify right side
98,516,335.29x = 7,994,877,123,723,983 - Step 5: Solve for x
x = 7,994,877,123,723,983/98,516,335.29 - Step 6: Final answer
x = 81,152,806.79
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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.