Finding the Fourth Proportional to 97,788,801.78, 134,949,620.61 and 53,735,812.02
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Solution
The fourth proportional to 97,788,801.78, 134,949,620.61 and 53,735,812.02 is: 74,156,010.84
Step by Step Solution
- Step 1: Write the proportion equation
97,788,801.78 : 134,949,620.61 = 53,735,812.02 : x - Step 2: Convert to fraction form
97,788,801.78/134,949,620.61 = 53,735,812.02/x - Step 3: Cross multiply
97,788,801.78x = 134,949,620.61 × 53,735,812.02 - Step 4: Simplify right side
97,788,801.78x = 7,251,627,445,269,279 - Step 5: Solve for x
x = 7,251,627,445,269,279/97,788,801.78 - Step 6: Final answer
x = 74,156,010.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.