Finding the Fourth Proportional to 66,264,019.20, 99,336,931.20 and 25,865,107.20
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Solution
The fourth proportional to 66,264,019.20, 99,336,931.20 and 25,865,107.20 is: 38,774,592.99
Step by Step Solution
- Step 1: Write the proportion equation
66,264,019.20 : 99,336,931.20 = 25,865,107.20 : x - Step 2: Convert to fraction form
66,264,019.20/99,336,931.20 = 25,865,107.20/x - Step 3: Cross multiply
66,264,019.20x = 99,336,931.20 × 25,865,107.20 - Step 4: Simplify right side
66,264,019.20x = 2,569,360,374,407,024.50 - Step 5: Solve for x
x = 2,569,360,374,407,024.50/66,264,019.20 - Step 6: Final answer
x = 38,774,592.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.