Finding the Fourth Proportional to 72,698,943.40, 108,915,704.70 and 44,298,917.80
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Solution
The fourth proportional to 72,698,943.40, 108,915,704.70 and 44,298,917.80 is: 66,367,509.95
Step by Step Solution
- Step 1: Write the proportion equation
72,698,943.40 : 108,915,704.70 = 44,298,917.80 : x - Step 2: Convert to fraction form
72,698,943.40/108,915,704.70 = 44,298,917.80/x - Step 3: Cross multiply
72,698,943.40x = 108,915,704.70 × 44,298,917.80 - Step 4: Simplify right side
72,698,943.40x = 4,824,847,849,634,373 - Step 5: Solve for x
x = 4,824,847,849,634,373/72,698,943.40 - Step 6: Final answer
x = 66,367,509.95
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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.