Finding the Fourth Proportional to 53,909,130.86, 74,430,510.68 and 31,889,704.08
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Solution
The fourth proportional to 53,909,130.86, 74,430,510.68 and 31,889,704.08 is: 44,029,034.08
Step by Step Solution
- Step 1: Write the proportion equation
53,909,130.86 : 74,430,510.68 = 31,889,704.08 : x - Step 2: Convert to fraction form
53,909,130.86/74,430,510.68 = 31,889,704.08/x - Step 3: Cross multiply
53,909,130.86x = 74,430,510.68 × 31,889,704.08 - Step 4: Simplify right side
53,909,130.86x = 2,373,566,960,108,479.50 - Step 5: Solve for x
x = 2,373,566,960,108,479.50/53,909,130.86 - Step 6: Final answer
x = 44,029,034.08
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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.