Finding the Fourth Proportional to 295,257,820.58, 407,447,898.25 and 163,095,972.63
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Solution
The fourth proportional to 295,257,820.58, 407,447,898.25 and 163,095,972.63 is: 225,068,081.62
Step by Step Solution
- Step 1: Write the proportion equation
295,257,820.58 : 407,447,898.25 = 163,095,972.63 : x - Step 2: Convert to fraction form
295,257,820.58/407,447,898.25 = 163,095,972.63/x - Step 3: Cross multiply
295,257,820.58x = 407,447,898.25 × 163,095,972.63 - Step 4: Simplify right side
295,257,820.58x = 66,453,111,261,133,024 - Step 5: Solve for x
x = 66,453,111,261,133,024/295,257,820.58 - Step 6: Final answer
x = 225,068,081.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.