Finding the Fourth Proportional to 301,871,521.79, 416,584,110.81 and 171,498,483.71
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Solution
The fourth proportional to 301,871,521.79, 416,584,110.81 and 171,498,483.71 is: 236,668,708.99
Step by Step Solution
- Step 1: Write the proportion equation
301,871,521.79 : 416,584,110.81 = 171,498,483.71 : x - Step 2: Convert to fraction form
301,871,521.79/416,584,110.81 = 171,498,483.71/x - Step 3: Cross multiply
301,871,521.79x = 416,584,110.81 × 171,498,483.71 - Step 4: Simplify right side
301,871,521.79x = 71,443,543,341,593,624 - Step 5: Solve for x
x = 71,443,543,341,593,624/301,871,521.79 - Step 6: Final answer
x = 236,668,708.99
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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.