Finding the Fourth Proportional to 133,035,309.90, 199,552,964.85 and 87,648,353.10
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Solution
The fourth proportional to 133,035,309.90, 199,552,964.85 and 87,648,353.10 is: 131,472,529.65
Step by Step Solution
- Step 1: Write the proportion equation
133,035,309.90 : 199,552,964.85 = 87,648,353.10 : x - Step 2: Convert to fraction form
133,035,309.90/199,552,964.85 = 87,648,353.10/x - Step 3: Cross multiply
133,035,309.90x = 199,552,964.85 × 87,648,353.10 - Step 4: Simplify right side
133,035,309.90x = 17,490,488,725,324,686 - Step 5: Solve for x
x = 17,490,488,725,324,686/133,035,309.90 - Step 6: Final answer
x = 131,472,529.65
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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.