Finding the Fourth Proportional to 56,331,993.10, 84,352,464.87 and 38,878,406.59
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Solution
The fourth proportional to 56,331,993.10, 84,352,464.87 and 38,878,406.59 is: 58,217,173.68
Step by Step Solution
- Step 1: Write the proportion equation
56,331,993.10 : 84,352,464.87 = 38,878,406.59 : x - Step 2: Convert to fraction form
56,331,993.10/84,352,464.87 = 38,878,406.59/x - Step 3: Cross multiply
56,331,993.10x = 84,352,464.87 × 38,878,406.59 - Step 4: Simplify right side
56,331,993.10x = 3,279,489,426,084,552 - Step 5: Solve for x
x = 3,279,489,426,084,552/56,331,993.10 - Step 6: Final answer
x = 58,217,173.68
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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.