Finding the Fourth Proportional to 66,319,975.20, 99,444,533.40 and 27,938,125.20
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Solution
The fourth proportional to 66,319,975.20, 99,444,533.40 and 27,938,125.20 is: 41,892,262.72
Step by Step Solution
- Step 1: Write the proportion equation
66,319,975.20 : 99,444,533.40 = 27,938,125.20 : x - Step 2: Convert to fraction form
66,319,975.20/99,444,533.40 = 27,938,125.20/x - Step 3: Cross multiply
66,319,975.20x = 99,444,533.40 × 27,938,125.20 - Step 4: Simplify right side
66,319,975.20x = 2,778,293,824,584,782 - Step 5: Solve for x
x = 2,778,293,824,584,782/66,319,975.20 - Step 6: Final answer
x = 41,892,262.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.