Finding the Fourth Proportional to 53,909,128.86, 74,430,507.92 and 31,889,702.08
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Solution
The fourth proportional to 53,909,128.86, 74,430,507.92 and 31,889,702.08 is: 44,029,031.32
Step by Step Solution
- Step 1: Write the proportion equation
53,909,128.86 : 74,430,507.92 = 31,889,702.08 : x - Step 2: Convert to fraction form
53,909,128.86/74,430,507.92 = 31,889,702.08/x - Step 3: Cross multiply
53,909,128.86x = 74,430,507.92 × 31,889,702.08 - Step 4: Simplify right side
53,909,128.86x = 2,373,566,723,231,880.50 - Step 5: Solve for x
x = 2,373,566,723,231,880.50/53,909,128.86 - Step 6: Final answer
x = 44,029,031.32
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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.