Finding the Fourth Proportional to 65,173,068.80, 97,507,660.80 and 42,498,252.80
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Solution
The fourth proportional to 65,173,068.80, 97,507,660.80 and 42,498,252.80 is: 63,583,091.83
Step by Step Solution
- Step 1: Write the proportion equation
65,173,068.80 : 97,507,660.80 = 42,498,252.80 : x - Step 2: Convert to fraction form
65,173,068.80/97,507,660.80 = 42,498,252.80/x - Step 3: Cross multiply
65,173,068.80x = 97,507,660.80 × 42,498,252.80 - Step 4: Simplify right side
65,173,068.80x = 4,143,905,218,615,050 - Step 5: Solve for x
x = 4,143,905,218,615,050/65,173,068.80 - Step 6: Final answer
x = 63,583,091.83
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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.