Finding the Fourth Proportional to 75,212,002.10, 103,754,363.94 and 49,121,791.94
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Solution
The fourth proportional to 75,212,002.10, 103,754,363.94 and 49,121,791.94 is: 67,763,124.71
Step by Step Solution
- Step 1: Write the proportion equation
75,212,002.10 : 103,754,363.94 = 49,121,791.94 : x - Step 2: Convert to fraction form
75,212,002.10/103,754,363.94 = 49,121,791.94/x - Step 3: Cross multiply
75,212,002.10x = 103,754,363.94 × 49,121,791.94 - Step 4: Simplify right side
75,212,002.10x = 5,096,600,277,808,947 - Step 5: Solve for x
x = 5,096,600,277,808,947/75,212,002.10 - Step 6: Final answer
x = 67,763,124.71
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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.