Finding the Fourth Proportional to 202,292,831.68, 303,316,372.14 and 79,323,830.80
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Solution
The fourth proportional to 202,292,831.68, 303,316,372.14 and 79,323,830.80 is: 118,937,563.84
Step by Step Solution
- Step 1: Write the proportion equation
202,292,831.68 : 303,316,372.14 = 79,323,830.80 : x - Step 2: Convert to fraction form
202,292,831.68/303,316,372.14 = 79,323,830.80/x - Step 3: Cross multiply
202,292,831.68x = 303,316,372.14 × 79,323,830.80 - Step 4: Simplify right side
202,292,831.68x = 24,060,216,582,503,192 - Step 5: Solve for x
x = 24,060,216,582,503,192/202,292,831.68 - Step 6: Final answer
x = 118,937,563.84
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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.