Finding the Fourth Proportional to 316,477,395.08, 436,733,024.72 and 175,348,100.81
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Solution
The fourth proportional to 316,477,395.08, 436,733,024.72 and 175,348,100.81 is: 241,977,176.37
Step by Step Solution
- Step 1: Write the proportion equation
316,477,395.08 : 436,733,024.72 = 175,348,100.81 : x - Step 2: Convert to fraction form
316,477,395.08/436,733,024.72 = 175,348,100.81/x - Step 3: Cross multiply
316,477,395.08x = 436,733,024.72 × 175,348,100.81 - Step 4: Simplify right side
316,477,395.08x = 76,580,306,445,658,784 - Step 5: Solve for x
x = 76,580,306,445,658,784/316,477,395.08 - Step 6: Final answer
x = 241,977,176.37
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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.