Finding the Fourth Proportional to 80,765,285.04, 121,178,454 and 31,616,259.96
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Solution
The fourth proportional to 80,765,285.04, 121,178,454 and 31,616,259.96 is: 47,436,339.78
Step by Step Solution
- Step 1: Write the proportion equation
80,765,285.04 : 121,178,454 = 31,616,259.96 : x - Step 2: Convert to fraction form
80,765,285.04/121,178,454 = 31,616,259.96/x - Step 3: Cross multiply
80,765,285.04x = 121,178,454 × 31,616,259.96 - Step 4: Simplify right side
80,765,285.04x = 3,831,209,503,214,902 - Step 5: Solve for x
x = 3,831,209,503,214,902/80,765,285.04 - Step 6: Final answer
x = 47,436,339.78
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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.