Finding the Fourth Proportional to 193,624,829.80, 290,430,246.30 and 78,606,125.80
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Solution
The fourth proportional to 193,624,829.80, 290,430,246.30 and 78,606,125.80 is: 117,906,347.55
Step by Step Solution
- Step 1: Write the proportion equation
193,624,829.80 : 290,430,246.30 = 78,606,125.80 : x - Step 2: Convert to fraction form
193,624,829.80/290,430,246.30 = 78,606,125.80/x - Step 3: Cross multiply
193,624,829.80x = 290,430,246.30 × 78,606,125.80 - Step 4: Simplify right side
193,624,829.80x = 22,829,596,476,782,784 - Step 5: Solve for x
x = 22,829,596,476,782,784/193,624,829.80 - Step 6: Final answer
x = 117,906,347.55
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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.