Finding the Fourth Proportional to 81,255,948.84, 121,812,176.76 and 62,171,902.50
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Solution
The fourth proportional to 81,255,948.84, 121,812,176.76 and 62,171,902.50 is: 93,202,957.88
Step by Step Solution
- Step 1: Write the proportion equation
81,255,948.84 : 121,812,176.76 = 62,171,902.50 : x - Step 2: Convert to fraction form
81,255,948.84/121,812,176.76 = 62,171,902.50/x - Step 3: Cross multiply
81,255,948.84x = 121,812,176.76 × 62,171,902.50 - Step 4: Simplify right side
81,255,948.84x = 7,573,294,776,835,486 - Step 5: Solve for x
x = 7,573,294,776,835,486/81,255,948.84 - Step 6: Final answer
x = 93,202,957.88
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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.