Finding the Fourth Proportional to 86,241,315.94, 129,357,673.98 and 31,649,606.44
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Solution
The fourth proportional to 86,241,315.94, 129,357,673.98 and 31,649,606.44 is: 47,472,831.63
Step by Step Solution
- Step 1: Write the proportion equation
86,241,315.94 : 129,357,673.98 = 31,649,606.44 : x - Step 2: Convert to fraction form
86,241,315.94/129,357,673.98 = 31,649,606.44/x - Step 3: Cross multiply
86,241,315.94x = 129,357,673.98 × 31,649,606.44 - Step 4: Simplify right side
86,241,315.94x = 4,094,119,471,460,828.50 - Step 5: Solve for x
x = 4,094,119,471,460,828.50/86,241,315.94 - Step 6: Final answer
x = 47,472,831.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.