Finding the Fourth Proportional to 147,596,564.20, 221,489,324.70 and 86,185,604.20
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Solution
The fourth proportional to 147,596,564.20, 221,489,324.70 and 86,185,604.20 is: 129,333,574.78
Step by Step Solution
- Step 1: Write the proportion equation
147,596,564.20 : 221,489,324.70 = 86,185,604.20 : x - Step 2: Convert to fraction form
147,596,564.20/221,489,324.70 = 86,185,604.20/x - Step 3: Cross multiply
147,596,564.20x = 221,489,324.70 × 86,185,604.20 - Step 4: Simplify right side
147,596,564.20x = 19,089,191,273,119,484 - Step 5: Solve for x
x = 19,089,191,273,119,484/147,596,564.20 - Step 6: Final answer
x = 129,333,574.78
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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.