Finding the Fourth Proportional to 165,583,872,001.30, 248,375,808,001.95 and 66,161,354,343.70
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Solution
The fourth proportional to 165,583,872,001.30, 248,375,808,001.95 and 66,161,354,343.70 is: 99,242,031,515.55
Step by Step Solution
- Step 1: Write the proportion equation
165,583,872,001.30 : 248,375,808,001.95 = 66,161,354,343.70 : x - Step 2: Convert to fraction form
165,583,872,001.30/248,375,808,001.95 = 66,161,354,343.70/x - Step 3: Cross multiply
165,583,872,001.30x = 248,375,808,001.95 × 66,161,354,343.70 - Step 4: Simplify right side
165,583,872,001.30x = 16,432,879,843,619,811,360,768 - Step 5: Solve for x
x = 16,432,879,843,619,811,360,768/165,583,872,001.30 - Step 6: Final answer
x = 99,242,031,515.55
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1.5x scale
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.