Finding the Fourth Proportional to 134,429,206.70, 201,643,810.05 and 43,561,981.10
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Solution
The fourth proportional to 134,429,206.70, 201,643,810.05 and 43,561,981.10 is: 65,342,971.65
Step by Step Solution
- Step 1: Write the proportion equation
134,429,206.70 : 201,643,810.05 = 43,561,981.10 : x - Step 2: Convert to fraction form
134,429,206.70/201,643,810.05 = 43,561,981.10/x - Step 3: Cross multiply
134,429,206.70x = 201,643,810.05 × 43,561,981.10 - Step 4: Simplify right side
134,429,206.70x = 8,784,003,842,330,091 - Step 5: Solve for x
x = 8,784,003,842,330,091/134,429,206.70 - Step 6: Final answer
x = 65,342,971.65
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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.