Finding the Fourth Proportional to 137,849,367.12, 190,232,156.60 and 75,125,479.95
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Solution
The fourth proportional to 137,849,367.12, 190,232,156.60 and 75,125,479.95 is: 103,673,178.66
Step by Step Solution
- Step 1: Write the proportion equation
137,849,367.12 : 190,232,156.60 = 75,125,479.95 : x - Step 2: Convert to fraction form
137,849,367.12/190,232,156.60 = 75,125,479.95/x - Step 3: Cross multiply
137,849,367.12x = 190,232,156.60 × 75,125,479.95 - Step 4: Simplify right side
137,849,367.12x = 14,291,282,066,122,934 - Step 5: Solve for x
x = 14,291,282,066,122,934/137,849,367.12 - Step 6: Final answer
x = 103,673,178.66
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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.