Finding the Fourth Proportional to 91,176,063,479.93, 125,822,979,528.84 and 50,533,598,849.74
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Solution
The fourth proportional to 91,176,063,479.93, 125,822,979,528.84 and 50,533,598,849.74 is: 69,736,373,022.82
Step by Step Solution
- Step 1: Write the proportion equation
91,176,063,479.93 : 125,822,979,528.84 = 50,533,598,849.74 : x - Step 2: Convert to fraction form
91,176,063,479.93/125,822,979,528.84 = 50,533,598,849.74/x - Step 3: Cross multiply
91,176,063,479.93x = 125,822,979,528.84 × 50,533,598,849.74 - Step 4: Simplify right side
91,176,063,479.93x = 6,358,287,973,588,945,338,368 - Step 5: Solve for x
x = 6,358,287,973,588,945,338,368/91,176,063,479.93 - Step 6: Final answer
x = 69,736,373,022.82
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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.