Finding the Fourth Proportional to 57,847,149.79, 86,725,069.29 and 28,680,878.98
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Solution
The fourth proportional to 57,847,149.79, 86,725,069.29 and 28,680,878.98 is: 42,998,682.32
Step by Step Solution
- Step 1: Write the proportion equation
57,847,149.79 : 86,725,069.29 = 28,680,878.98 : x - Step 2: Convert to fraction form
57,847,149.79/86,725,069.29 = 28,680,878.98/x - Step 3: Cross multiply
57,847,149.79x = 86,725,069.29 × 28,680,878.98 - Step 4: Simplify right side
57,847,149.79x = 2,487,351,216,838,605 - Step 5: Solve for x
x = 2,487,351,216,838,605/57,847,149.79 - Step 6: Final answer
x = 42,998,682.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.