Finding the Fourth Proportional to 65,615,633.80, 98,423,450.70 and 40,106,465.80
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Solution
The fourth proportional to 65,615,633.80, 98,423,450.70 and 40,106,465.80 is: 60,159,698.70
Step by Step Solution
- Step 1: Write the proportion equation
65,615,633.80 : 98,423,450.70 = 40,106,465.80 : x - Step 2: Convert to fraction form
65,615,633.80/98,423,450.70 = 40,106,465.80/x - Step 3: Cross multiply
65,615,633.80x = 98,423,450.70 × 40,106,465.80 - Step 4: Simplify right side
65,615,633.80x = 3,947,416,759,417,536 - Step 5: Solve for x
x = 3,947,416,759,417,536/65,615,633.80 - Step 6: Final answer
x = 60,159,698.70
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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.