Finding the Fourth Proportional to 145,639,895.99, 218,461,737.14 and 48,595,603.58
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Solution
The fourth proportional to 145,639,895.99, 218,461,737.14 and 48,595,603.58 is: 72,894,037.06
Step by Step Solution
- Step 1: Write the proportion equation
145,639,895.99 : 218,461,737.14 = 48,595,603.58 : x - Step 2: Convert to fraction form
145,639,895.99/218,461,737.14 = 48,595,603.58/x - Step 3: Cross multiply
145,639,895.99x = 218,461,737.14 × 48,595,603.58 - Step 4: Simplify right side
145,639,895.99x = 10,616,279,976,152,948 - Step 5: Solve for x
x = 10,616,279,976,152,948/145,639,895.99 - Step 6: Final answer
x = 72,894,037.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.