Finding the Fourth Proportional to 77,036,304.23, 106,450,866.19 and 56,091,851.17
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Solution
The fourth proportional to 77,036,304.23, 106,450,866.19 and 56,091,851.17 is: 77,509,249.74
Step by Step Solution
- Step 1: Write the proportion equation
77,036,304.23 : 106,450,866.19 = 56,091,851.17 : x - Step 2: Convert to fraction form
77,036,304.23/106,450,866.19 = 56,091,851.17/x - Step 3: Cross multiply
77,036,304.23x = 106,450,866.19 × 56,091,851.17 - Step 4: Simplify right side
77,036,304.23x = 5,971,026,142,966,606 - Step 5: Solve for x
x = 5,971,026,142,966,606/77,036,304.23 - Step 6: Final answer
x = 77,509,249.74
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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.