Finding the Fourth Proportional to 63,359,968.18, 87,437,432.74 and 38,913,682.18
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Solution
The fourth proportional to 63,359,968.18, 87,437,432.74 and 38,913,682.18 is: 53,701,296.99
Step by Step Solution
- Step 1: Write the proportion equation
63,359,968.18 : 87,437,432.74 = 38,913,682.18 : x - Step 2: Convert to fraction form
63,359,968.18/87,437,432.74 = 38,913,682.18/x - Step 3: Cross multiply
63,359,968.18x = 87,437,432.74 × 38,913,682.18 - Step 4: Simplify right side
63,359,968.18x = 3,402,512,468,279,486.50 - Step 5: Solve for x
x = 3,402,512,468,279,486.50/63,359,968.18 - Step 6: Final answer
x = 53,701,296.99
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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.