Finding the Fourth Proportional to 70,860,861.60, 106,291,292.40 and 22,991,805.60
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Solution
The fourth proportional to 70,860,861.60, 106,291,292.40 and 22,991,805.60 is: 34,487,708.40
Step by Step Solution
- Step 1: Write the proportion equation
70,860,861.60 : 106,291,292.40 = 22,991,805.60 : x - Step 2: Convert to fraction form
70,860,861.60/106,291,292.40 = 22,991,805.60/x - Step 3: Cross multiply
70,860,861.60x = 106,291,292.40 × 22,991,805.60 - Step 4: Simplify right side
70,860,861.60x = 2,443,828,731,833,557.50 - Step 5: Solve for x
x = 2,443,828,731,833,557.50/70,860,861.60 - Step 6: Final answer
x = 34,487,708.40
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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.