Finding the Fourth Proportional to 42,214,801.20, 63,322,201.80 and 24,298,897.20
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Solution
The fourth proportional to 42,214,801.20, 63,322,201.80 and 24,298,897.20 is: 36,448,345.80
Step by Step Solution
- Step 1: Write the proportion equation
42,214,801.20 : 63,322,201.80 = 24,298,897.20 : x - Step 2: Convert to fraction form
42,214,801.20/63,322,201.80 = 24,298,897.20/x - Step 3: Cross multiply
42,214,801.20x = 63,322,201.80 × 24,298,897.20 - Step 4: Simplify right side
42,214,801.20x = 1,538,659,672,015,854.75 - Step 5: Solve for x
x = 1,538,659,672,015,854.75/42,214,801.20 - Step 6: Final answer
x = 36,448,345.80
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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.