Finding the Fourth Proportional to 63,911,807.70, 95,867,711.55 and 53,282,987.70
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Solution
The fourth proportional to 63,911,807.70, 95,867,711.55 and 53,282,987.70 is: 79,924,481.55
Step by Step Solution
- Step 1: Write the proportion equation
63,911,807.70 : 95,867,711.55 = 53,282,987.70 : x - Step 2: Convert to fraction form
63,911,807.70/95,867,711.55 = 53,282,987.70/x - Step 3: Cross multiply
63,911,807.70x = 95,867,711.55 × 53,282,987.70 - Step 4: Simplify right side
63,911,807.70x = 5,108,118,095,345,798 - Step 5: Solve for x
x = 5,108,118,095,345,798/63,911,807.70 - Step 6: Final answer
x = 79,924,481.55
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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.