Finding the Fourth Proportional to 91,999,767.42, 138,000,853.14 and 30,588,926.12
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Solution
The fourth proportional to 91,999,767.42, 138,000,853.14 and 30,588,926.12 is: 45,883,788.84
Step by Step Solution
- Step 1: Write the proportion equation
91,999,767.42 : 138,000,853.14 = 30,588,926.12 : x - Step 2: Convert to fraction form
91,999,767.42/138,000,853.14 = 30,588,926.12/x - Step 3: Cross multiply
91,999,767.42x = 138,000,853.14 × 30,588,926.12 - Step 4: Simplify right side
91,999,767.42x = 4,221,297,901,196,429.50 - Step 5: Solve for x
x = 4,221,297,901,196,429.50/91,999,767.42 - Step 6: Final answer
x = 45,883,788.84
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1.5x scale
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.