Finding the Fourth Proportional to 67,021,969.50, 92,497,824.79 and 40,574,900.70
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Solution
The fourth proportional to 67,021,969.50, 92,497,824.79 and 40,574,900.70 is: 55,997,907.61
Step by Step Solution
- Step 1: Write the proportion equation
67,021,969.50 : 92,497,824.79 = 40,574,900.70 : x - Step 2: Convert to fraction form
67,021,969.50/92,497,824.79 = 40,574,900.70/x - Step 3: Cross multiply
67,021,969.50x = 92,497,824.79 × 40,574,900.70 - Step 4: Simplify right side
67,021,969.50x = 3,753,090,055,820,249 - Step 5: Solve for x
x = 3,753,090,055,820,249/67,021,969.50 - Step 6: Final answer
x = 55,997,907.61
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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.