Finding the Fourth Proportional to 83,414,827.20, 125,122,240.80 and 70,817,707.20
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Solution
The fourth proportional to 83,414,827.20, 125,122,240.80 and 70,817,707.20 is: 106,226,560.80
Step by Step Solution
- Step 1: Write the proportion equation
83,414,827.20 : 125,122,240.80 = 70,817,707.20 : x - Step 2: Convert to fraction form
83,414,827.20/125,122,240.80 = 70,817,707.20/x - Step 3: Cross multiply
83,414,827.20x = 125,122,240.80 × 70,817,707.20 - Step 4: Simplify right side
83,414,827.20x = 8,860,870,213,182,294 - Step 5: Solve for x
x = 8,860,870,213,182,294/83,414,827.20 - Step 6: Final answer
x = 106,226,560.80
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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.