Finding the Fourth Proportional to 130,859,933.24, 180,593,809.58 and 75,104,907.90
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Solution
The fourth proportional to 130,859,933.24, 180,593,809.58 and 75,104,907.90 is: 103,648,848.81
Step by Step Solution
- Step 1: Write the proportion equation
130,859,933.24 : 180,593,809.58 = 75,104,907.90 : x - Step 2: Convert to fraction form
130,859,933.24/180,593,809.58 = 75,104,907.90/x - Step 3: Cross multiply
130,859,933.24x = 180,593,809.58 × 75,104,907.90 - Step 4: Simplify right side
130,859,933.24x = 13,563,481,435,816,040 - Step 5: Solve for x
x = 13,563,481,435,816,040/130,859,933.24 - Step 6: Final answer
x = 103,648,848.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.