Finding the Fourth Proportional to 229,298,837.22, 316,430,193.33 and 124,878,652.74
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Solution
The fourth proportional to 229,298,837.22, 316,430,193.33 and 124,878,652.74 is: 172,331,341.53
Step by Step Solution
- Step 1: Write the proportion equation
229,298,837.22 : 316,430,193.33 = 124,878,652.74 : x - Step 2: Convert to fraction form
229,298,837.22/316,430,193.33 = 124,878,652.74/x - Step 3: Cross multiply
229,298,837.22x = 316,430,193.33 × 124,878,652.74 - Step 4: Simplify right side
229,298,837.22x = 39,515,376,229,308,128 - Step 5: Solve for x
x = 39,515,376,229,308,128/229,298,837.22 - Step 6: Final answer
x = 172,331,341.53
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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.