Finding the Fourth Proportional to 298,985,407.60, 448,159,246.80 and 114,681,668.80
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Solution
The fourth proportional to 298,985,407.60, 448,159,246.80 and 114,681,668.80 is: 171,900,196.48
Step by Step Solution
- Step 1: Write the proportion equation
298,985,407.60 : 448,159,246.80 = 114,681,668.80 : x - Step 2: Convert to fraction form
298,985,407.60/448,159,246.80 = 114,681,668.80/x - Step 3: Cross multiply
298,985,407.60x = 448,159,246.80 × 114,681,668.80 - Step 4: Simplify right side
298,985,407.60x = 51,395,650,311,175,056 - Step 5: Solve for x
x = 51,395,650,311,175,056/298,985,407.60 - Step 6: Final answer
x = 171,900,196.48
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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.