Finding the Fourth Proportional to 53,901,998.90, 80,863,495.95 and 15,564,763.70
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Solution
The fourth proportional to 53,901,998.90, 80,863,495.95 and 15,564,763.70 is: 23,350,176.84
Step by Step Solution
- Step 1: Write the proportion equation
53,901,998.90 : 80,863,495.95 = 15,564,763.70 : x - Step 2: Convert to fraction form
53,901,998.90/80,863,495.95 = 15,564,763.70/x - Step 3: Cross multiply
53,901,998.90x = 80,863,495.95 × 15,564,763.70 - Step 4: Simplify right side
53,901,998.90x = 1,258,621,206,417,657 - Step 5: Solve for x
x = 1,258,621,206,417,657/53,901,998.90 - Step 6: Final answer
x = 23,350,176.84
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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.