Finding the Fourth Proportional to 101,636,596.28, 140,258,197.50 and 55,226,991.80
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Solution
The fourth proportional to 101,636,596.28, 140,258,197.50 and 55,226,991.80 is: 76,213,082.75
Step by Step Solution
- Step 1: Write the proportion equation
101,636,596.28 : 140,258,197.50 = 55,226,991.80 : x - Step 2: Convert to fraction form
101,636,596.28/140,258,197.50 = 55,226,991.80/x - Step 3: Cross multiply
101,636,596.28x = 140,258,197.50 × 55,226,991.80 - Step 4: Simplify right side
101,636,596.28x = 7,746,038,323,215,280 - Step 5: Solve for x
x = 7,746,038,323,215,280/101,636,596.28 - Step 6: Final answer
x = 76,213,082.75
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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.