Finding the Fourth Proportional to 162,148,426.20, 243,220,752.12 and 65,102,428.68
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Solution
The fourth proportional to 162,148,426.20, 243,220,752.12 and 65,102,428.68 is: 97,652,885.32
Step by Step Solution
- Step 1: Write the proportion equation
162,148,426.20 : 243,220,752.12 = 65,102,428.68 : x - Step 2: Convert to fraction form
162,148,426.20/243,220,752.12 = 65,102,428.68/x - Step 3: Cross multiply
162,148,426.20x = 243,220,752.12 × 65,102,428.68 - Step 4: Simplify right side
162,148,426.20x = 15,834,261,668,388,260 - Step 5: Solve for x
x = 15,834,261,668,388,260/162,148,426.20 - Step 6: Final answer
x = 97,652,885.32
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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.