Finding the Fourth Proportional to 68,331,577.76, 102,521,281.33 and 19,812,343.06
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Solution
The fourth proportional to 68,331,577.76, 102,521,281.33 and 19,812,343.06 is: 29,725,448.52
Step by Step Solution
- Step 1: Write the proportion equation
68,331,577.76 : 102,521,281.33 = 19,812,343.06 : x - Step 2: Convert to fraction form
68,331,577.76/102,521,281.33 = 19,812,343.06/x - Step 3: Cross multiply
68,331,577.76x = 102,521,281.33 × 19,812,343.06 - Step 4: Simplify right side
68,331,577.76x = 2,031,186,796,813,650.25 - Step 5: Solve for x
x = 2,031,186,796,813,650.25/68,331,577.76 - Step 6: Final answer
x = 29,725,448.52
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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.