Finding the Fourth Proportional to 110,592,865.20, 165,889,297.80 and 97,155,937.20
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Solution
The fourth proportional to 110,592,865.20, 165,889,297.80 and 97,155,937.20 is: 145,733,905.80
Step by Step Solution
- Step 1: Write the proportion equation
110,592,865.20 : 165,889,297.80 = 97,155,937.20 : x - Step 2: Convert to fraction form
110,592,865.20/165,889,297.80 = 97,155,937.20/x - Step 3: Cross multiply
110,592,865.20x = 165,889,297.80 × 97,155,937.20 - Step 4: Simplify right side
110,592,865.20x = 16,117,130,199,208,900 - Step 5: Solve for x
x = 16,117,130,199,208,900/110,592,865.20 - Step 6: Final answer
x = 145,733,905.80
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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.