Finding the Fourth Proportional to 162,539,811.48, 243,810,190.14 and 69,142,719.84
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Solution
The fourth proportional to 162,539,811.48, 243,810,190.14 and 69,142,719.84 is: 103,714,280.94
Step by Step Solution
- Step 1: Write the proportion equation
162,539,811.48 : 243,810,190.14 = 69,142,719.84 : x - Step 2: Convert to fraction form
162,539,811.48/243,810,190.14 = 69,142,719.84/x - Step 3: Cross multiply
162,539,811.48x = 243,810,190.14 × 69,142,719.84 - Step 4: Simplify right side
162,539,811.48x = 16,857,699,670,987,150 - Step 5: Solve for x
x = 16,857,699,670,987,150/162,539,811.48 - Step 6: Final answer
x = 103,714,280.94
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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.