Finding the Fourth Proportional to 66,341,462.20, 99,556,430.10 and 30,421,180.60
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Solution
The fourth proportional to 66,341,462.20, 99,556,430.10 and 30,421,180.60 is: 45,652,055.89
Step by Step Solution
- Step 1: Write the proportion equation
66,341,462.20 : 99,556,430.10 = 30,421,180.60 : x - Step 2: Convert to fraction form
66,341,462.20/99,556,430.10 = 30,421,180.60/x - Step 3: Cross multiply
66,341,462.20x = 99,556,430.10 × 30,421,180.60 - Step 4: Simplify right side
66,341,462.20x = 3,028,624,139,963,376 - Step 5: Solve for x
x = 3,028,624,139,963,376/66,341,462.20 - Step 6: Final answer
x = 45,652,055.89
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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.