Finding the Fourth Proportional to 66,053,784.84, 91,155,349.98 and 36,285,688.05
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Solution
The fourth proportional to 66,053,784.84, 91,155,349.98 and 36,285,688.05 is: 50,074,868.56
Step by Step Solution
- Step 1: Write the proportion equation
66,053,784.84 : 91,155,349.98 = 36,285,688.05 : x - Step 2: Convert to fraction form
66,053,784.84/91,155,349.98 = 36,285,688.05/x - Step 3: Cross multiply
66,053,784.84x = 91,155,349.98 × 36,285,688.05 - Step 4: Simplify right side
66,053,784.84x = 3,307,634,593,462,853.50 - Step 5: Solve for x
x = 3,307,634,593,462,853.50/66,053,784.84 - Step 6: Final answer
x = 50,074,868.56
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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.