Finding the Fourth Proportional to 63,953,988.90, 88,285,326.57 and 40,780,264.74
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Solution
The fourth proportional to 63,953,988.90, 88,285,326.57 and 40,780,264.74 is: 56,295,143.62
Step by Step Solution
- Step 1: Write the proportion equation
63,953,988.90 : 88,285,326.57 = 40,780,264.74 : x - Step 2: Convert to fraction form
63,953,988.90/88,285,326.57 = 40,780,264.74/x - Step 3: Cross multiply
63,953,988.90x = 88,285,326.57 × 40,780,264.74 - Step 4: Simplify right side
63,953,988.90x = 3,600,298,990,181,956 - Step 5: Solve for x
x = 3,600,298,990,181,956/63,953,988.90 - Step 6: Final answer
x = 56,295,143.62
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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.