Finding the Fourth Proportional to 215,596,708.32, 323,265,775.98 and 98,865,831.69
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Solution
The fourth proportional to 215,596,708.32, 323,265,775.98 and 98,865,831.69 is: 148,239,460.84
Step by Step Solution
- Step 1: Write the proportion equation
215,596,708.32 : 323,265,775.98 = 98,865,831.69 : x - Step 2: Convert to fraction form
215,596,708.32/323,265,775.98 = 98,865,831.69/x - Step 3: Cross multiply
215,596,708.32x = 323,265,775.98 × 98,865,831.69 - Step 4: Simplify right side
215,596,708.32x = 31,959,939,799,175,924 - Step 5: Solve for x
x = 31,959,939,799,175,924/215,596,708.32 - Step 6: Final answer
x = 148,239,460.84
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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.