Finding the Fourth Proportional to 163,559,163.60, 245,130,348.60 and 86,918,907.60
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Solution
The fourth proportional to 163,559,163.60, 245,130,348.60 and 86,918,907.60 is: 130,267,614.79
Step by Step Solution
- Step 1: Write the proportion equation
163,559,163.60 : 245,130,348.60 = 86,918,907.60 : x - Step 2: Convert to fraction form
163,559,163.60/245,130,348.60 = 86,918,907.60/x - Step 3: Cross multiply
163,559,163.60x = 245,130,348.60 × 86,918,907.60 - Step 4: Simplify right side
163,559,163.60x = 21,306,462,119,919,188 - Step 5: Solve for x
x = 21,306,462,119,919,188/163,559,163.60 - Step 6: Final answer
x = 130,267,614.79
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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.