Finding the Fourth Proportional to 69,119,323.16, 103,678,274.63 and 39,954,604.81
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Solution
The fourth proportional to 69,119,323.16, 103,678,274.63 and 39,954,604.81 is: 59,931,496.73
Step by Step Solution
- Step 1: Write the proportion equation
69,119,323.16 : 103,678,274.63 = 39,954,604.81 : x - Step 2: Convert to fraction form
69,119,323.16/103,678,274.63 = 39,954,604.81/x - Step 3: Cross multiply
69,119,323.16x = 103,678,274.63 × 39,954,604.81 - Step 4: Simplify right side
69,119,323.16x = 4,142,424,490,064,989 - Step 5: Solve for x
x = 4,142,424,490,064,989/69,119,323.16 - Step 6: Final answer
x = 59,931,496.73
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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.