Finding the Fourth Proportional to 203,388,193.96, 280,663,788.95 and 110,567,889.88
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Solution
The fourth proportional to 203,388,193.96, 280,663,788.95 and 110,567,889.88 is: 152,577,208.66
Step by Step Solution
- Step 1: Write the proportion equation
203,388,193.96 : 280,663,788.95 = 110,567,889.88 : x - Step 2: Convert to fraction form
203,388,193.96/280,663,788.95 = 110,567,889.88/x - Step 3: Cross multiply
203,388,193.96x = 280,663,788.95 × 110,567,889.88 - Step 4: Simplify right side
203,388,193.96x = 31,032,402,909,087,292 - Step 5: Solve for x
x = 31,032,402,909,087,292/203,388,193.96 - Step 6: Final answer
x = 152,577,208.66
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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.