Finding the Fourth Proportional to 147,595,095.20, 221,487,121.20 and 86,184,135.20
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Solution
The fourth proportional to 147,595,095.20, 221,487,121.20 and 86,184,135.20 is: 129,331,370.89
Step by Step Solution
- Step 1: Write the proportion equation
147,595,095.20 : 221,487,121.20 = 86,184,135.20 : x - Step 2: Convert to fraction form
147,595,095.20/221,487,121.20 = 86,184,135.20/x - Step 3: Cross multiply
147,595,095.20x = 221,487,121.20 × 86,184,135.20 - Step 4: Simplify right side
147,595,095.20x = 19,088,675,998,559,584 - Step 5: Solve for x
x = 19,088,675,998,559,584/147,595,095.20 - Step 6: Final answer
x = 129,331,370.89
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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.