Finding the Fourth Proportional to 77,725,860.70, 116,535,646.95 and 36,804,903.70
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Solution
The fourth proportional to 77,725,860.70, 116,535,646.95 and 36,804,903.70 is: 55,182,190.65
Step by Step Solution
- Step 1: Write the proportion equation
77,725,860.70 : 116,535,646.95 = 36,804,903.70 : x - Step 2: Convert to fraction form
77,725,860.70/116,535,646.95 = 36,804,903.70/x - Step 3: Cross multiply
77,725,860.70x = 116,535,646.95 × 36,804,903.70 - Step 4: Simplify right side
77,725,860.70x = 4,289,083,263,611,949 - Step 5: Solve for x
x = 4,289,083,263,611,949/77,725,860.70 - Step 6: Final answer
x = 55,182,190.65
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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.