Finding the Fourth Proportional to 122,303,352.70, 183,455,029.05 and 112,949,991.10
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Solution
The fourth proportional to 122,303,352.70, 183,455,029.05 and 112,949,991.10 is: 169,424,986.65
Step by Step Solution
- Step 1: Write the proportion equation
122,303,352.70 : 183,455,029.05 = 112,949,991.10 : x - Step 2: Convert to fraction form
122,303,352.70/183,455,029.05 = 112,949,991.10/x - Step 3: Cross multiply
122,303,352.70x = 183,455,029.05 × 112,949,991.10 - Step 4: Simplify right side
122,303,352.70x = 20,721,243,898,447,740 - Step 5: Solve for x
x = 20,721,243,898,447,740/122,303,352.70 - Step 6: Final answer
x = 169,424,986.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.