Finding the Fourth Proportional to 83,389,774.92, 124,908,692.70 and 66,905,814.06
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Solution
The fourth proportional to 83,389,774.92, 124,908,692.70 and 66,905,814.06 is: 100,217,535.98
Step by Step Solution
- Step 1: Write the proportion equation
83,389,774.92 : 124,908,692.70 = 66,905,814.06 : x - Step 2: Convert to fraction form
83,389,774.92/124,908,692.70 = 66,905,814.06/x - Step 3: Cross multiply
83,389,774.92x = 124,908,692.70 × 66,905,814.06 - Step 4: Simplify right side
83,389,774.92x = 8,357,117,768,263,880 - Step 5: Solve for x
x = 8,357,117,768,263,880/83,389,774.92 - Step 6: Final answer
x = 100,217,535.98
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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.