Finding the Fourth Proportional to 214,563,354.63, 321,893,008.35 and 78,248,738.13
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Solution
The fourth proportional to 214,563,354.63, 321,893,008.35 and 78,248,738.13 is: 117,390,603.63
Step by Step Solution
- Step 1: Write the proportion equation
214,563,354.63 : 321,893,008.35 = 78,248,738.13 : x - Step 2: Convert to fraction form
214,563,354.63/321,893,008.35 = 78,248,738.13/x - Step 3: Cross multiply
214,563,354.63x = 321,893,008.35 × 78,248,738.13 - Step 4: Simplify right side
214,563,354.63x = 25,187,721,716,257,052 - Step 5: Solve for x
x = 25,187,721,716,257,052/214,563,354.63 - Step 6: Final answer
x = 117,390,603.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.