Finding the Fourth Proportional to 283,579,323.57, 391,346,386.26 and 158,130,295.04
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Solution
The fourth proportional to 283,579,323.57, 391,346,386.26 and 158,130,295.04 is: 218,223,665.75
Step by Step Solution
- Step 1: Write the proportion equation
283,579,323.57 : 391,346,386.26 = 158,130,295.04 : x - Step 2: Convert to fraction form
283,579,323.57/391,346,386.26 = 158,130,295.04/x - Step 3: Cross multiply
283,579,323.57x = 391,346,386.26 × 158,130,295.04 - Step 4: Simplify right side
283,579,323.57x = 61,883,719,520,174,864 - Step 5: Solve for x
x = 61,883,719,520,174,864/283,579,323.57 - Step 6: Final answer
x = 218,223,665.75
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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.