Finding the Fourth Proportional to 102,221,711.40, 153,256,938.30 and 48,306,037.80
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Solution
The fourth proportional to 102,221,711.40, 153,256,938.30 and 48,306,037.80 is: 72,423,317.45
Step by Step Solution
- Step 1: Write the proportion equation
102,221,711.40 : 153,256,938.30 = 48,306,037.80 : x - Step 2: Convert to fraction form
102,221,711.40/153,256,938.30 = 48,306,037.80/x - Step 3: Cross multiply
102,221,711.40x = 153,256,938.30 × 48,306,037.80 - Step 4: Simplify right side
102,221,711.40x = 7,403,235,454,632,068 - Step 5: Solve for x
x = 7,403,235,454,632,068/102,221,711.40 - Step 6: Final answer
x = 72,423,317.45
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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.