Finding the Fourth Proportional to 92,438,494.08, 127,697,996.88 and 73,829,201.76
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Solution
The fourth proportional to 92,438,494.08, 127,697,996.88 and 73,829,201.76 is: 101,990,423.68
Step by Step Solution
- Step 1: Write the proportion equation
92,438,494.08 : 127,697,996.88 = 73,829,201.76 : x - Step 2: Convert to fraction form
92,438,494.08/127,697,996.88 = 73,829,201.76/x - Step 3: Cross multiply
92,438,494.08x = 127,697,996.88 × 73,829,201.76 - Step 4: Simplify right side
92,438,494.08x = 9,427,841,176,001,370 - Step 5: Solve for x
x = 9,427,841,176,001,370/92,438,494.08 - Step 6: Final answer
x = 101,990,423.68
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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.