Finding the Fourth Proportional to 51,201,258.84, 76,801,962.18 and 20,909,121.84
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Solution
The fourth proportional to 51,201,258.84, 76,801,962.18 and 20,909,121.84 is: 31,363,712.95
Step by Step Solution
- Step 1: Write the proportion equation
51,201,258.84 : 76,801,962.18 = 20,909,121.84 : x - Step 2: Convert to fraction form
51,201,258.84/76,801,962.18 = 20,909,121.84/x - Step 3: Cross multiply
51,201,258.84x = 76,801,962.18 × 20,909,121.84 - Step 4: Simplify right side
51,201,258.84x = 1,605,861,585,139,108.75 - Step 5: Solve for x
x = 1,605,861,585,139,108.75/51,201,258.84 - Step 6: Final answer
x = 31,363,712.95
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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.