Finding the Fourth Proportional to 108,693,483.68, 149,997,659.84 and 59,134,212.92
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Solution
The fourth proportional to 108,693,483.68, 149,997,659.84 and 59,134,212.92 is: 81,605,568.74
Step by Step Solution
- Step 1: Write the proportion equation
108,693,483.68 : 149,997,659.84 = 59,134,212.92 : x - Step 2: Convert to fraction form
108,693,483.68/149,997,659.84 = 59,134,212.92/x - Step 3: Cross multiply
108,693,483.68x = 149,997,659.84 × 59,134,212.92 - Step 4: Simplify right side
108,693,483.68x = 8,869,993,554,480,294 - Step 5: Solve for x
x = 8,869,993,554,480,294/108,693,483.68 - Step 6: Final answer
x = 81,605,568.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.