Finding the Fourth Proportional to 83,434,811.30, 115,131,743.60 and 48,163,979.36
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Solution
The fourth proportional to 83,434,811.30, 115,131,743.60 and 48,163,979.36 is: 66,461,502.52
Step by Step Solution
- Step 1: Write the proportion equation
83,434,811.30 : 115,131,743.60 = 48,163,979.36 : x - Step 2: Convert to fraction form
83,434,811.30/115,131,743.60 = 48,163,979.36/x - Step 3: Cross multiply
83,434,811.30x = 115,131,743.60 × 48,163,979.36 - Step 4: Simplify right side
83,434,811.30x = 5,545,202,921,614,733 - Step 5: Solve for x
x = 5,545,202,921,614,733/83,434,811.30 - Step 6: Final answer
x = 66,461,502.52
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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.