Finding the Fourth Proportional to 348,430,167.96, 522,645,251.76 and 130,097,560.68
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Solution
The fourth proportional to 348,430,167.96, 522,645,251.76 and 130,097,560.68 is: 195,146,340.95
Step by Step Solution
- Step 1: Write the proportion equation
348,430,167.96 : 522,645,251.76 = 130,097,560.68 : x - Step 2: Convert to fraction form
348,430,167.96/522,645,251.76 = 130,097,560.68/x - Step 3: Cross multiply
348,430,167.96x = 522,645,251.76 × 130,097,560.68 - Step 4: Simplify right side
348,430,167.96x = 67,994,872,354,960,480 - Step 5: Solve for x
x = 67,994,872,354,960,480/348,430,167.96 - Step 6: Final answer
x = 195,146,340.95
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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.