Finding the Fourth Proportional to 85,992,201.84, 118,679,921.58 and 48,834,417.90
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Solution
The fourth proportional to 85,992,201.84, 118,679,921.58 and 48,834,417.90 is: 67,397,563.53
Step by Step Solution
- Step 1: Write the proportion equation
85,992,201.84 : 118,679,921.58 = 48,834,417.90 : x - Step 2: Convert to fraction form
85,992,201.84/118,679,921.58 = 48,834,417.90/x - Step 3: Cross multiply
85,992,201.84x = 118,679,921.58 × 48,834,417.90 - Step 4: Simplify right side
85,992,201.84x = 5,795,664,886,776,948 - Step 5: Solve for x
x = 5,795,664,886,776,948/85,992,201.84 - Step 6: Final answer
x = 67,397,563.53
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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.