Finding the Fourth Proportional to 106,792,207.84, 147,376,355.12 and 60,381,464.80
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Solution
The fourth proportional to 106,792,207.84, 147,376,355.12 and 60,381,464.80 is: 83,328,178.89
Step by Step Solution
- Step 1: Write the proportion equation
106,792,207.84 : 147,376,355.12 = 60,381,464.80 : x - Step 2: Convert to fraction form
106,792,207.84/147,376,355.12 = 60,381,464.80/x - Step 3: Cross multiply
106,792,207.84x = 147,376,355.12 × 60,381,464.80 - Step 4: Simplify right side
106,792,207.84x = 8,898,800,199,030,580 - Step 5: Solve for x
x = 8,898,800,199,030,580/106,792,207.84 - Step 6: Final answer
x = 83,328,178.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.