Finding the Fourth Proportional to 152,253,789.63, 228,429,868.67 and 70,426,344.99
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Solution
The fourth proportional to 152,253,789.63, 228,429,868.67 and 70,426,344.99 is: 105,662,268.08
Step by Step Solution
- Step 1: Write the proportion equation
152,253,789.63 : 228,429,868.67 = 70,426,344.99 : x - Step 2: Convert to fraction form
152,253,789.63/228,429,868.67 = 70,426,344.99/x - Step 3: Cross multiply
152,253,789.63x = 228,429,868.67 × 70,426,344.99 - Step 4: Simplify right side
152,253,789.63x = 16,087,480,735,765,068 - Step 5: Solve for x
x = 16,087,480,735,765,068/152,253,789.63 - Step 6: Final answer
x = 105,662,268.08
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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.