Finding the Fourth Proportional to 147,585,416.70, 221,472,603.45 and 86,174,456.70
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Solution
The fourth proportional to 147,585,416.70, 221,472,603.45 and 86,174,456.70 is: 129,316,850.56
Step by Step Solution
- Step 1: Write the proportion equation
147,585,416.70 : 221,472,603.45 = 86,174,456.70 : x - Step 2: Convert to fraction form
147,585,416.70/221,472,603.45 = 86,174,456.70/x - Step 3: Cross multiply
147,585,416.70x = 221,472,603.45 × 86,174,456.70 - Step 4: Simplify right side
147,585,416.70x = 19,085,281,276,238,296 - Step 5: Solve for x
x = 19,085,281,276,238,296/147,585,416.70 - Step 6: Final answer
x = 129,316,850.56
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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.