Finding the Fourth Proportional to 70,996,879.70, 106,495,319.55 and 63,344,129.30
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Solution
The fourth proportional to 70,996,879.70, 106,495,319.55 and 63,344,129.30 is: 95,016,193.95
Step by Step Solution
- Step 1: Write the proportion equation
70,996,879.70 : 106,495,319.55 = 63,344,129.30 : x - Step 2: Convert to fraction form
70,996,879.70/106,495,319.55 = 63,344,129.30/x - Step 3: Cross multiply
70,996,879.70x = 106,495,319.55 × 63,344,129.30 - Step 4: Simplify right side
70,996,879.70x = 6,745,853,291,420,017 - Step 5: Solve for x
x = 6,745,853,291,420,017/70,996,879.70 - Step 6: Final answer
x = 95,016,193.95
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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.