Finding the Fourth Proportional to 87,938,679.99, 131,908,024.08 and 60,245,289.48
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Solution
The fourth proportional to 87,938,679.99, 131,908,024.08 and 60,245,289.48 is: 90,367,937.02
Step by Step Solution
- Step 1: Write the proportion equation
87,938,679.99 : 131,908,024.08 = 60,245,289.48 : x - Step 2: Convert to fraction form
87,938,679.99/131,908,024.08 = 60,245,289.48/x - Step 3: Cross multiply
87,938,679.99x = 131,908,024.08 × 60,245,289.48 - Step 4: Simplify right side
87,938,679.99x = 7,946,837,094,774,871 - Step 5: Solve for x
x = 7,946,837,094,774,871/87,938,679.99 - Step 6: Final answer
x = 90,367,937.02
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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.