Finding the Fourth Proportional to 65,712,701.70, 98,569,052.55 and 40,203,533.70
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Solution
The fourth proportional to 65,712,701.70, 98,569,052.55 and 40,203,533.70 is: 60,305,300.55
Step by Step Solution
- Step 1: Write the proportion equation
65,712,701.70 : 98,569,052.55 = 40,203,533.70 : x - Step 2: Convert to fraction form
65,712,701.70/98,569,052.55 = 40,203,533.70/x - Step 3: Cross multiply
65,712,701.70x = 98,569,052.55 × 40,203,533.70 - Step 4: Simplify right side
65,712,701.70x = 3,962,824,225,970,996 - Step 5: Solve for x
x = 3,962,824,225,970,996/65,712,701.70 - Step 6: Final answer
x = 60,305,300.55
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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.