Finding the Fourth Proportional to 357,515,803.71, 536,283,769.26 and 98,731,025.91
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Solution
The fourth proportional to 357,515,803.71, 536,283,769.26 and 98,731,025.91 is: 148,099,318.04
Step by Step Solution
- Step 1: Write the proportion equation
357,515,803.71 : 536,283,769.26 = 98,731,025.91 : x - Step 2: Convert to fraction form
357,515,803.71/536,283,769.26 = 98,731,025.91/x - Step 3: Cross multiply
357,515,803.71x = 536,283,769.26 × 98,731,025.91 - Step 4: Simplify right side
357,515,803.71x = 52,947,846,717,921,520 - Step 5: Solve for x
x = 52,947,846,717,921,520/357,515,803.71 - Step 6: Final answer
x = 148,099,318.04
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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.