Finding the Fourth Proportional to 96,808,215.90, 145,212,323.85 and 74,889,227.10
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Solution
The fourth proportional to 96,808,215.90, 145,212,323.85 and 74,889,227.10 is: 112,333,840.65
Step by Step Solution
- Step 1: Write the proportion equation
96,808,215.90 : 145,212,323.85 = 74,889,227.10 : x - Step 2: Convert to fraction form
96,808,215.90/145,212,323.85 = 74,889,227.10/x - Step 3: Cross multiply
96,808,215.90x = 145,212,323.85 × 74,889,227.10 - Step 4: Simplify right side
96,808,215.90x = 10,874,838,698,521,396 - Step 5: Solve for x
x = 10,874,838,698,521,396/96,808,215.90 - Step 6: Final answer
x = 112,333,840.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.