Finding the Fourth Proportional to 156,927,743.70, 235,391,615.55 and 70,707,455.70
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Solution
The fourth proportional to 156,927,743.70, 235,391,615.55 and 70,707,455.70 is: 106,061,183.55
Step by Step Solution
- Step 1: Write the proportion equation
156,927,743.70 : 235,391,615.55 = 70,707,455.70 : x - Step 2: Convert to fraction form
156,927,743.70/235,391,615.55 = 70,707,455.70/x - Step 3: Cross multiply
156,927,743.70x = 235,391,615.55 × 70,707,455.70 - Step 4: Simplify right side
156,927,743.70x = 16,643,942,228,653,058 - Step 5: Solve for x
x = 16,643,942,228,653,058/156,927,743.70 - Step 6: Final answer
x = 106,061,183.55
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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.