Finding the Fourth Proportional to 91,176,063,473.18, 125,822,979,519.53 and 50,533,598,843.02
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Solution
The fourth proportional to 91,176,063,473.18, 125,822,979,519.53 and 50,533,598,843.02 is: 69,736,373,013.55
Step by Step Solution
- Step 1: Write the proportion equation
91,176,063,473.18 : 125,822,979,519.53 = 50,533,598,843.02 : x - Step 2: Convert to fraction form
91,176,063,473.18/125,822,979,519.53 = 50,533,598,843.02/x - Step 3: Cross multiply
91,176,063,473.18x = 125,822,979,519.53 × 50,533,598,843.02 - Step 4: Simplify right side
91,176,063,473.18x = 6,358,287,972,272,946,806,784 - Step 5: Solve for x
x = 6,358,287,972,272,946,806,784/91,176,063,473.18 - Step 6: Final answer
x = 69,736,373,013.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.