Finding the Fourth Proportional to 104,177,394.90, 143,767,444.62 and 57,136,341.18
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Solution
The fourth proportional to 104,177,394.90, 143,767,444.62 and 57,136,341.18 is: 78,849,598.56
Step by Step Solution
- Step 1: Write the proportion equation
104,177,394.90 : 143,767,444.62 = 57,136,341.18 : x - Step 2: Convert to fraction form
104,177,394.90/143,767,444.62 = 57,136,341.18/x - Step 3: Cross multiply
104,177,394.90x = 143,767,444.62 × 57,136,341.18 - Step 4: Simplify right side
104,177,394.90x = 8,214,345,766,385,076 - Step 5: Solve for x
x = 8,214,345,766,385,076/104,177,394.90 - Step 6: Final answer
x = 78,849,598.56
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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.