Finding the Fourth Proportional to 255,849,351.68, 353,072,101.68 and 138,374,692.16
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Solution
The fourth proportional to 255,849,351.68, 353,072,101.68 and 138,374,692.16 is: 190,957,073.21
Step by Step Solution
- Step 1: Write the proportion equation
255,849,351.68 : 353,072,101.68 = 138,374,692.16 : x - Step 2: Convert to fraction form
255,849,351.68/353,072,101.68 = 138,374,692.16/x - Step 3: Cross multiply
255,849,351.68x = 353,072,101.68 × 138,374,692.16 - Step 4: Simplify right side
255,849,351.68x = 48,856,243,380,254,216 - Step 5: Solve for x
x = 48,856,243,380,254,216/255,849,351.68 - Step 6: Final answer
x = 190,957,073.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.