Finding the Fourth Proportional to 83,886,837.76, 115,756,452.48 and 46,714,309.12
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Solution
The fourth proportional to 83,886,837.76, 115,756,452.48 and 46,714,309.12 is: 64,461,634.84
Step by Step Solution
- Step 1: Write the proportion equation
83,886,837.76 : 115,756,452.48 = 46,714,309.12 : x - Step 2: Convert to fraction form
83,886,837.76/115,756,452.48 = 46,714,309.12/x - Step 3: Cross multiply
83,886,837.76x = 115,756,452.48 × 46,714,309.12 - Step 4: Simplify right side
83,886,837.76x = 5,407,482,703,785,311 - Step 5: Solve for x
x = 5,407,482,703,785,311/83,886,837.76 - Step 6: Final answer
x = 64,461,634.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.