Finding the Fourth Proportional to 103,180,709.98, 154,868,033.07 and 54,031,840.53
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Solution
The fourth proportional to 103,180,709.98, 154,868,033.07 and 54,031,840.53 is: 81,098,539.32
Step by Step Solution
- Step 1: Write the proportion equation
103,180,709.98 : 154,868,033.07 = 54,031,840.53 : x - Step 2: Convert to fraction form
103,180,709.98/154,868,033.07 = 54,031,840.53/x - Step 3: Cross multiply
103,180,709.98x = 154,868,033.07 × 54,031,840.53 - Step 4: Simplify right side
103,180,709.98x = 8,367,804,865,501,060 - Step 5: Solve for x
x = 8,367,804,865,501,060/103,180,709.98 - Step 6: Final answer
x = 81,098,539.32
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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.