Finding the Fourth Proportional to 153,450,744.49, 230,021,020.77 and 66,069,259.12
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Solution
The fourth proportional to 153,450,744.49, 230,021,020.77 and 66,069,259.12 is: 99,037,111.06
Step by Step Solution
- Step 1: Write the proportion equation
153,450,744.49 : 230,021,020.77 = 66,069,259.12 : x - Step 2: Convert to fraction form
153,450,744.49/230,021,020.77 = 66,069,259.12/x - Step 3: Cross multiply
153,450,744.49x = 230,021,020.77 × 66,069,259.12 - Step 4: Simplify right side
153,450,744.49x = 15,197,318,424,300,032 - Step 5: Solve for x
x = 15,197,318,424,300,032/153,450,744.49 - Step 6: Final answer
x = 99,037,111.06
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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.