Finding the Fourth Proportional to 78,880,673.93, 118,859,428.94 and 64,818,745.07
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Solution
The fourth proportional to 78,880,673.93, 118,859,428.94 and 64,818,745.07 is: 97,670,552.74
Step by Step Solution
- Step 1: Write the proportion equation
78,880,673.93 : 118,859,428.94 = 64,818,745.07 : x - Step 2: Convert to fraction form
78,880,673.93/118,859,428.94 = 64,818,745.07/x - Step 3: Cross multiply
78,880,673.93x = 118,859,428.94 × 64,818,745.07 - Step 4: Simplify right side
78,880,673.93x = 7,704,319,022,709,249 - Step 5: Solve for x
x = 7,704,319,022,709,249/78,880,673.93 - Step 6: Final answer
x = 97,670,552.74
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.