Finding the Fourth Proportional to 165,145,679.12, 247,579,950.36 and 73,014,542.48
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Solution
The fourth proportional to 165,145,679.12, 247,579,950.36 and 73,014,542.48 is: 109,460,549.61
Step by Step Solution
- Step 1: Write the proportion equation
165,145,679.12 : 247,579,950.36 = 73,014,542.48 : x - Step 2: Convert to fraction form
165,145,679.12/247,579,950.36 = 73,014,542.48/x - Step 3: Cross multiply
165,145,679.12x = 247,579,950.36 × 73,014,542.48 - Step 4: Simplify right side
165,145,679.12x = 18,076,936,802,756,512 - Step 5: Solve for x
x = 18,076,936,802,756,512/165,145,679.12 - Step 6: Final answer
x = 109,460,549.61
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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.